78525280

素因数分解:

$2^5\times 5^1\times {\mathrm{490783}}^1$

素因数の和:490798

約数の個数: 24

約数和(自身を含む): 185516352

約数和(自身を除く): 106991072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 490783, 981566, 1963132, 2453915, 3926264, 4907830, 7852528, 9815660, 15705056, 19631320, 39262640, 78525280]

約数ペア:

[(1, 78525280), (2, 39262640), (4, 19631320), (5, 15705056), (8, 9815660), (10, 7852528), (16, 4907830), (20, 3926264), (32, 2453915), (40, 1963132), (80, 981566), (160, 490783)]