25857640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12197}}^1$

素因数の和:12261

約数の個数: 32

約数和(自身を含む): 59282280

約数和(自身を除く): 33424640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 12197, 24394, 48788, 60985, 97576, 121970, 243940, 487880, 646441, 1292882, 2585764, 3232205, 5171528, 6464410, 12928820, 25857640]

約数ペア:

[(1, 25857640), (2, 12928820), (4, 6464410), (5, 5171528), (8, 3232205), (10, 2585764), (20, 1292882), (40, 646441), (53, 487880), (106, 243940), (212, 121970), (265, 97576), (424, 60985), (530, 48788), (1060, 24394), (2120, 12197)]