90824840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55381}}^1$

素因数の和:55433

約数の個数: 32

約数和(自身を含む): 209343960

約数和(自身を除く): 118519120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 55381, 110762, 221524, 276905, 443048, 553810, 1107620, 2215240, 2270621, 4541242, 9082484, 11353105, 18164968, 22706210, 45412420, 90824840]

約数ペア:

[(1, 90824840), (2, 45412420), (4, 22706210), (5, 18164968), (8, 11353105), (10, 9082484), (20, 4541242), (40, 2270621), (41, 2215240), (82, 1107620), (164, 553810), (205, 443048), (328, 276905), (410, 221524), (820, 110762), (1640, 55381)]