803916800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1074

約数の個数: 132

約数和(自身を含む): 2059052736

約数和(自身を除く): 1255135936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 992, 1013, 1024, 1240, 1280, 1550, 1600, 1984, 2026, 2480, 2560, 3100, 3200, 3968, 4052, 4960, 5065, 5120, 6200, 6400, 7936, 8104, 9920, 10130, 12400, 12800, 15872, 16208, 19840, 20260, 24800, 25325, 25600, 31403, 31744, 32416, 39680, 40520, 49600, 50650, 62806, 64832, 79360, 81040, 99200, 101300, 125612, 129664, 157015, 158720, 162080, 198400, 202600, 251224, 259328, 314030, 324160, 396800, 405200, 502448, 518656, 628060, 648320, 785075, 793600, 810400, 1004896, 1037312, 1256120, 1296640, 1570150, 1620800, 2009792, 2512240, 2593280, 3140300, 3241600, 4019584, 5024480, 5186560, 6280600, 6483200, 8039168, 10048960, 12561200, 12966400, 16078336, 20097920, 25122400, 25932800, 32156672, 40195840, 50244800, 80391680, 100489600, 160783360, 200979200, 401958400, 803916800]

約数ペア:

[(1, 803916800), (2, 401958400), (4, 200979200), (5, 160783360), (8, 100489600), (10, 80391680), (16, 50244800), (20, 40195840), (25, 32156672), (31, 25932800), (32, 25122400), (40, 20097920), (50, 16078336), (62, 12966400), (64, 12561200), (80, 10048960), (100, 8039168), (124, 6483200), (128, 6280600), (155, 5186560), (160, 5024480), (200, 4019584), (248, 3241600), (256, 3140300), (310, 2593280), (320, 2512240), (400, 2009792), (496, 1620800), (512, 1570150), (620, 1296640), (640, 1256120), (775, 1037312), (800, 1004896), (992, 810400), (1013, 793600), (1024, 785075), (1240, 648320), (1280, 628060), (1550, 518656), (1600, 502448), (1984, 405200), (2026, 396800), (2480, 324160), (2560, 314030), (3100, 259328), (3200, 251224), (3968, 202600), (4052, 198400), (4960, 162080), (5065, 158720), (5120, 157015), (6200, 129664), (6400, 125612), (7936, 101300), (8104, 99200), (9920, 81040), (10130, 79360), (12400, 64832), (12800, 62806), (15872, 50650), (16208, 49600), (19840, 40520), (20260, 39680), (24800, 32416), (25325, 31744), (25600, 31403)]