90955240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73351}}^1$

素因数の和:73393

約数の個数: 32

約数和(自身を含む): 211253760

約数和(自身を除く): 120298520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 73351, 146702, 293404, 366755, 586808, 733510, 1467020, 2273881, 2934040, 4547762, 9095524, 11369405, 18191048, 22738810, 45477620, 90955240]

約数ペア:

[(1, 90955240), (2, 45477620), (4, 22738810), (5, 18191048), (8, 11369405), (10, 9095524), (20, 4547762), (31, 2934040), (40, 2273881), (62, 1467020), (124, 733510), (155, 586808), (248, 366755), (310, 293404), (620, 146702), (1240, 73351)]