20898713600

素因数分解:

$2^{12}\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1607}}^1$

素因数の和:1768

約数の個数: 156

約数和(自身を含む): 52263035904

約数和(自身を除く): 31364322304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 256, 320, 400, 508, 512, 635, 640, 800, 1016, 1024, 1270, 1280, 1600, 1607, 2032, 2048, 2540, 2560, 3175, 3200, 3214, 4064, 4096, 5080, 5120, 6350, 6400, 6428, 8035, 8128, 10160, 10240, 12700, 12800, 12856, 16070, 16256, 20320, 20480, 25400, 25600, 25712, 32140, 32512, 40175, 40640, 50800, 51200, 51424, 64280, 65024, 80350, 81280, 101600, 102400, 102848, 128560, 130048, 160700, 162560, 203200, 204089, 205696, 257120, 260096, 321400, 325120, 406400, 408178, 411392, 514240, 520192, 642800, 650240, 812800, 816356, 822784, 1020445, 1028480, 1285600, 1300480, 1625600, 1632712, 1645568, 2040890, 2056960, 2571200, 2600960, 3251200, 3265424, 3291136, 4081780, 4113920, 5102225, 5142400, 6502400, 6530848, 6582272, 8163560, 8227840, 10204450, 10284800, 13004800, 13061696, 16327120, 16455680, 20408900, 20569600, 26123392, 32654240, 32911360, 40817800, 41139200, 52246784, 65308480, 81635600, 82278400, 104493568, 130616960, 163271200, 164556800, 208987136, 261233920, 326542400, 417974272, 522467840, 653084800, 835948544, 1044935680, 1306169600, 2089871360, 2612339200, 4179742720, 5224678400, 10449356800, 20898713600]

約数ペア:

[(1, 20898713600), (2, 10449356800), (4, 5224678400), (5, 4179742720), (8, 2612339200), (10, 2089871360), (16, 1306169600), (20, 1044935680), (25, 835948544), (32, 653084800), (40, 522467840), (50, 417974272), (64, 326542400), (80, 261233920), (100, 208987136), (127, 164556800), (128, 163271200), (160, 130616960), (200, 104493568), (254, 82278400), (256, 81635600), (320, 65308480), (400, 52246784), (508, 41139200), (512, 40817800), (635, 32911360), (640, 32654240), (800, 26123392), (1016, 20569600), (1024, 20408900), (1270, 16455680), (1280, 16327120), (1600, 13061696), (1607, 13004800), (2032, 10284800), (2048, 10204450), (2540, 8227840), (2560, 8163560), (3175, 6582272), (3200, 6530848), (3214, 6502400), (4064, 5142400), (4096, 5102225), (5080, 4113920), (5120, 4081780), (6350, 3291136), (6400, 3265424), (6428, 3251200), (8035, 2600960), (8128, 2571200), (10160, 2056960), (10240, 2040890), (12700, 1645568), (12800, 1632712), (12856, 1625600), (16070, 1300480), (16256, 1285600), (20320, 1028480), (20480, 1020445), (25400, 822784), (25600, 816356), (25712, 812800), (32140, 650240), (32512, 642800), (40175, 520192), (40640, 514240), (50800, 411392), (51200, 408178), (51424, 406400), (64280, 325120), (65024, 321400), (80350, 260096), (81280, 257120), (101600, 205696), (102400, 204089), (102848, 203200), (128560, 162560), (130048, 160700)]