7809680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2435

約数の個数: 40

約数和(自身を含む): 18608184

約数和(自身を除く): 10798504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2381, 3280, 4762, 9524, 11905, 19048, 23810, 38096, 47620, 95240, 97621, 190480, 195242, 390484, 488105, 780968, 976210, 1561936, 1952420, 3904840, 7809680]

約数ペア:

[(1, 7809680), (2, 3904840), (4, 1952420), (5, 1561936), (8, 976210), (10, 780968), (16, 488105), (20, 390484), (40, 195242), (41, 190480), (80, 97621), (82, 95240), (164, 47620), (205, 38096), (328, 23810), (410, 19048), (656, 11905), (820, 9524), (1640, 4762), (2381, 3280)]