68727380

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3539}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 144516960

約数和(自身を除く): 75789580

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3539, 3884, 4855, 7078, 9710, 14156, 17695, 19420, 35390, 70780, 3436369, 6872738, 13745476, 17181845, 34363690, 68727380]

約数ペア:

[(1, 68727380), (2, 34363690), (4, 17181845), (5, 13745476), (10, 6872738), (20, 3436369), (971, 70780), (1942, 35390), (3539, 19420), (3884, 17695), (4855, 14156), (7078, 9710)]