133896440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107981}}^1$

素因数の和:108023

約数の個数: 32

約数和(自身を含む): 310988160

約数和(自身を除く): 177091720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 107981, 215962, 431924, 539905, 863848, 1079810, 2159620, 3347411, 4319240, 6694822, 13389644, 16737055, 26779288, 33474110, 66948220, 133896440]

約数ペア:

[(1, 133896440), (2, 66948220), (4, 33474110), (5, 26779288), (8, 16737055), (10, 13389644), (20, 6694822), (31, 4319240), (40, 3347411), (62, 2159620), (124, 1079810), (155, 863848), (248, 539905), (310, 431924), (620, 215962), (1240, 107981)]