154503920

素因数分解:

$2^4\times 5^1\times {\mathrm{1931299}}^1$

素因数の和:1931312

約数の個数: 20

約数和(自身を含む): 359221800

約数和(自身を除く): 204717880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1931299, 3862598, 7725196, 9656495, 15450392, 19312990, 30900784, 38625980, 77251960, 154503920]

約数ペア:

[(1, 154503920), (2, 77251960), (4, 38625980), (5, 30900784), (8, 19312990), (10, 15450392), (16, 9656495), (20, 7725196), (40, 3862598), (80, 1931299)]