2215691560

素因数分解:

$2^3\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{37201}}^1$

素因数の和:38701

約数の個数: 32

約数和(自身を含む): 4988788200

約数和(自身を除く): 2773096640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1489, 2978, 5956, 7445, 11912, 14890, 29780, 37201, 59560, 74402, 148804, 186005, 297608, 372010, 744020, 1488040, 55392289, 110784578, 221569156, 276961445, 443138312, 553922890, 1107845780, 2215691560]

約数ペア:

[(1, 2215691560), (2, 1107845780), (4, 553922890), (5, 443138312), (8, 276961445), (10, 221569156), (20, 110784578), (40, 55392289), (1489, 1488040), (2978, 744020), (5956, 372010), (7445, 297608), (11912, 186005), (14890, 148804), (29780, 74402), (37201, 59560)]