61655380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{162251}}^1$

素因数の和:162279

約数の個数: 24

約数和(自身を含む): 136291680

約数和(自身を除く): 74636300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 162251, 324502, 649004, 811255, 1622510, 3082769, 3245020, 6165538, 12331076, 15413845, 30827690, 61655380]

約数ペア:

[(1, 61655380), (2, 30827690), (4, 15413845), (5, 12331076), (10, 6165538), (19, 3245020), (20, 3082769), (38, 1622510), (76, 811255), (95, 649004), (190, 324502), (380, 162251)]