65086960

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1657}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 151726896

約数和(自身を除く): 86639936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1657, 1964, 2455, 3314, 3928, 4910, 6628, 7856, 8285, 9820, 13256, 16570, 19640, 26512, 33140, 39280, 66280, 132560, 813587, 1627174, 3254348, 4067935, 6508696, 8135870, 13017392, 16271740, 32543480, 65086960]

約数ペア:

[(1, 65086960), (2, 32543480), (4, 16271740), (5, 13017392), (8, 8135870), (10, 6508696), (16, 4067935), (20, 3254348), (40, 1627174), (80, 813587), (491, 132560), (982, 66280), (1657, 39280), (1964, 33140), (2455, 26512), (3314, 19640), (3928, 16570), (4910, 13256), (6628, 9820), (7856, 8285)]