7828880

素因数分解:

$2^4\times 5^1\times {\mathrm{97861}}^1$

素因数の和:97874

約数の個数: 20

約数和(自身を含む): 18202332

約数和(自身を除く): 10373452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97861, 195722, 391444, 489305, 782888, 978610, 1565776, 1957220, 3914440, 7828880]

約数ペア:

[(1, 7828880), (2, 3914440), (4, 1957220), (5, 1565776), (8, 978610), (10, 782888), (16, 489305), (20, 391444), (40, 195722), (80, 97861)]