55158920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44483}}^1$

素因数の和:44525

約数の個数: 32

約数和(自身を含む): 128113920

約数和(自身を除く): 72955000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 44483, 88966, 177932, 222415, 355864, 444830, 889660, 1378973, 1779320, 2757946, 5515892, 6894865, 11031784, 13789730, 27579460, 55158920]

約数ペア:

[(1, 55158920), (2, 27579460), (4, 13789730), (5, 11031784), (8, 6894865), (10, 5515892), (20, 2757946), (31, 1779320), (40, 1378973), (62, 889660), (124, 444830), (155, 355864), (248, 222415), (310, 177932), (620, 88966), (1240, 44483)]