10890920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8783}}^1$

素因数の和:8825

約数の個数: 32

約数和(自身を含む): 25297920

約数和(自身を除く): 14407000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 8783, 17566, 35132, 43915, 70264, 87830, 175660, 272273, 351320, 544546, 1089092, 1361365, 2178184, 2722730, 5445460, 10890920]

約数ペア:

[(1, 10890920), (2, 5445460), (4, 2722730), (5, 2178184), (8, 1361365), (10, 1089092), (20, 544546), (31, 351320), (40, 272273), (62, 175660), (124, 87830), (155, 70264), (248, 43915), (310, 35132), (620, 17566), (1240, 8783)]