13350640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3937

約数の個数: 40

約数和(自身を含む): 31770288

約数和(自身を除く): 18419648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3881, 7762, 15524, 19405, 31048, 38810, 62096, 77620, 155240, 166883, 310480, 333766, 667532, 834415, 1335064, 1668830, 2670128, 3337660, 6675320, 13350640]

約数ペア:

[(1, 13350640), (2, 6675320), (4, 3337660), (5, 2670128), (8, 1668830), (10, 1335064), (16, 834415), (20, 667532), (40, 333766), (43, 310480), (80, 166883), (86, 155240), (172, 77620), (215, 62096), (344, 38810), (430, 31048), (688, 19405), (860, 15524), (1720, 7762), (3440, 3881)]