15674840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12641}}^1$

素因数の和:12683

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 20734120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12641, 25282, 50564, 63205, 101128, 126410, 252820, 391871, 505640, 783742, 1567484, 1959355, 3134968, 3918710, 7837420, 15674840]

約数ペア:

[(1, 15674840), (2, 7837420), (4, 3918710), (5, 3134968), (8, 1959355), (10, 1567484), (20, 783742), (31, 505640), (40, 391871), (62, 252820), (124, 126410), (155, 101128), (248, 63205), (310, 50564), (620, 25282), (1240, 12641)]