23865640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9781}}^1$

素因数の和:9853

約数の個数: 32

約数和(自身を含む): 54583560

約数和(自身を除く): 30717920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 9781, 19562, 39124, 48905, 78248, 97810, 195620, 391240, 596641, 1193282, 2386564, 2983205, 4773128, 5966410, 11932820, 23865640]

約数ペア:

[(1, 23865640), (2, 11932820), (4, 5966410), (5, 4773128), (8, 2983205), (10, 2386564), (20, 1193282), (40, 596641), (61, 391240), (122, 195620), (244, 97810), (305, 78248), (488, 48905), (610, 39124), (1220, 19562), (2440, 9781)]