88399240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21881}}^1$

素因数の和:21993

約数の個数: 32

約数和(自身を含む): 200876760

約数和(自身を除く): 112477520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 21881, 43762, 87524, 109405, 175048, 218810, 437620, 875240, 2209981, 4419962, 8839924, 11049905, 17679848, 22099810, 44199620, 88399240]

約数ペア:

[(1, 88399240), (2, 44199620), (4, 22099810), (5, 17679848), (8, 11049905), (10, 8839924), (20, 4419962), (40, 2209981), (101, 875240), (202, 437620), (404, 218810), (505, 175048), (808, 109405), (1010, 87524), (2020, 43762), (4040, 21881)]