99155920

素因数分解:

$2^4\times 5^1\times {\mathrm{1239449}}^1$

素因数の和:1239462

約数の個数: 20

約数和(自身を含む): 230537700

約数和(自身を除く): 131381780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1239449, 2478898, 4957796, 6197245, 9915592, 12394490, 19831184, 24788980, 49577960, 99155920]

約数ペア:

[(1, 99155920), (2, 49577960), (4, 24788980), (5, 19831184), (8, 12394490), (10, 9915592), (16, 6197245), (20, 4957796), (40, 2478898), (80, 1239449)]