100788440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81281}}^1$

素因数の和:81323

約数の個数: 32

約数和(自身を含む): 234092160

約数和(自身を除く): 133303720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 81281, 162562, 325124, 406405, 650248, 812810, 1625620, 2519711, 3251240, 5039422, 10078844, 12598555, 20157688, 25197110, 50394220, 100788440]

約数ペア:

[(1, 100788440), (2, 50394220), (4, 25197110), (5, 20157688), (8, 12598555), (10, 10078844), (20, 5039422), (31, 3251240), (40, 2519711), (62, 1625620), (124, 812810), (155, 650248), (248, 406405), (310, 325124), (620, 162562), (1240, 81281)]