25333720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8017}}^1$

素因数の和:8107

約数の個数: 32

約数和(自身を含む): 57729600

約数和(自身を除く): 32395880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8017, 16034, 32068, 40085, 64136, 80170, 160340, 320680, 633343, 1266686, 2533372, 3166715, 5066744, 6333430, 12666860, 25333720]

約数ペア:

[(1, 25333720), (2, 12666860), (4, 6333430), (5, 5066744), (8, 3166715), (10, 2533372), (20, 1266686), (40, 633343), (79, 320680), (158, 160340), (316, 80170), (395, 64136), (632, 40085), (790, 32068), (1580, 16034), (3160, 8017)]