82701640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{295363}}^1$

素因数の和:295381

約数の個数: 32

約数和(自身を含む): 212662080

約数和(自身を除く): 129960440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 295363, 590726, 1181452, 1476815, 2067541, 2362904, 2953630, 4135082, 5907260, 8270164, 10337705, 11814520, 16540328, 20675410, 41350820, 82701640]

約数ペア:

[(1, 82701640), (2, 41350820), (4, 20675410), (5, 16540328), (7, 11814520), (8, 10337705), (10, 8270164), (14, 5907260), (20, 4135082), (28, 2953630), (35, 2362904), (40, 2067541), (56, 1476815), (70, 1181452), (140, 590726), (280, 295363)]