82278400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{1607}}^1$

素因数の和:1639

約数の個数: 72

約数和(自身を含む): 204127560

約数和(自身を除く): 121849160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 1607, 2048, 2560, 3200, 3214, 5120, 6400, 6428, 8035, 10240, 12800, 12856, 16070, 25600, 25712, 32140, 40175, 51200, 51424, 64280, 80350, 102848, 128560, 160700, 205696, 257120, 321400, 411392, 514240, 642800, 822784, 1028480, 1285600, 1645568, 2056960, 2571200, 3291136, 4113920, 5142400, 8227840, 10284800, 16455680, 20569600, 41139200, 82278400]

約数ペア:

[(1, 82278400), (2, 41139200), (4, 20569600), (5, 16455680), (8, 10284800), (10, 8227840), (16, 5142400), (20, 4113920), (25, 3291136), (32, 2571200), (40, 2056960), (50, 1645568), (64, 1285600), (80, 1028480), (100, 822784), (128, 642800), (160, 514240), (200, 411392), (256, 321400), (320, 257120), (400, 205696), (512, 160700), (640, 128560), (800, 102848), (1024, 80350), (1280, 64280), (1600, 51424), (1607, 51200), (2048, 40175), (2560, 32140), (3200, 25712), (3214, 25600), (5120, 16070), (6400, 12856), (6428, 12800), (8035, 10240)]