13617640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5581}}^1$

素因数の和:5653

約数の個数: 32

約数和(自身を含む): 31147560

約数和(自身を除く): 17529920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5581, 11162, 22324, 27905, 44648, 55810, 111620, 223240, 340441, 680882, 1361764, 1702205, 2723528, 3404410, 6808820, 13617640]

約数ペア:

[(1, 13617640), (2, 6808820), (4, 3404410), (5, 2723528), (8, 1702205), (10, 1361764), (20, 680882), (40, 340441), (61, 223240), (122, 111620), (244, 55810), (305, 44648), (488, 27905), (610, 22324), (1220, 11162), (2440, 5581)]