13789240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8017}}^1$

素因数の和:8071

約数の個数: 32

約数和(自身を含む): 31751280

約数和(自身を除く): 17962040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8017, 16034, 32068, 40085, 64136, 80170, 160340, 320680, 344731, 689462, 1378924, 1723655, 2757848, 3447310, 6894620, 13789240]

約数ペア:

[(1, 13789240), (2, 6894620), (4, 3447310), (5, 2757848), (8, 1723655), (10, 1378924), (20, 689462), (40, 344731), (43, 320680), (86, 160340), (172, 80170), (215, 64136), (344, 40085), (430, 32068), (860, 16034), (1720, 8017)]