23139640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18661}}^1$

素因数の和:18703

約数の個数: 32

約数和(自身を含む): 53746560

約数和(自身を除く): 30606920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 18661, 37322, 74644, 93305, 149288, 186610, 373220, 578491, 746440, 1156982, 2313964, 2892455, 4627928, 5784910, 11569820, 23139640]

約数ペア:

[(1, 23139640), (2, 11569820), (4, 5784910), (5, 4627928), (8, 2892455), (10, 2313964), (20, 1156982), (31, 746440), (40, 578491), (62, 373220), (124, 186610), (155, 149288), (248, 93305), (310, 74644), (620, 37322), (1240, 18661)]