25840660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31513}}^1$

素因数の和:31563

約数の個数: 24

約数和(自身を含む): 55590696

約数和(自身を除く): 29750036

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31513, 63026, 126052, 157565, 315130, 630260, 1292033, 2584066, 5168132, 6460165, 12920330, 25840660]

約数ペア:

[(1, 25840660), (2, 12920330), (4, 6460165), (5, 5168132), (10, 2584066), (20, 1292033), (41, 630260), (82, 315130), (164, 157565), (205, 126052), (410, 63026), (820, 31513)]