3904840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2433

約数の個数: 32

約数和(自身を含む): 9003960

約数和(自身を除く): 5099120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2381, 4762, 9524, 11905, 19048, 23810, 47620, 95240, 97621, 195242, 390484, 488105, 780968, 976210, 1952420, 3904840]

約数ペア:

[(1, 3904840), (2, 1952420), (4, 976210), (5, 780968), (8, 488105), (10, 390484), (20, 195242), (40, 97621), (41, 95240), (82, 47620), (164, 23810), (205, 19048), (328, 11905), (410, 9524), (820, 4762), (1640, 2381)]