79932800

素因数分解:

$2^7\times 5^2\times {\mathrm{24979}}^1$

素因数の和:25003

約数の個数: 48

約数和(自身を含む): 197466900

約数和(自身を除く): 117534100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 24979, 49958, 99916, 124895, 199832, 249790, 399664, 499580, 624475, 799328, 999160, 1248950, 1598656, 1998320, 2497900, 3197312, 3996640, 4995800, 7993280, 9991600, 15986560, 19983200, 39966400, 79932800]

約数ペア:

[(1, 79932800), (2, 39966400), (4, 19983200), (5, 15986560), (8, 9991600), (10, 7993280), (16, 4995800), (20, 3996640), (25, 3197312), (32, 2497900), (40, 1998320), (50, 1598656), (64, 1248950), (80, 999160), (100, 799328), (128, 624475), (160, 499580), (200, 399664), (320, 249790), (400, 199832), (640, 124895), (800, 99916), (1600, 49958), (3200, 24979)]