131819620

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{11833}}^1$

素因数の和:12399

約数の個数: 24

約数和(自身を含む): 277341624

約数和(自身を除く): 145522004

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 11833, 23666, 47332, 59165, 118330, 236660, 6590981, 13181962, 26363924, 32954905, 65909810, 131819620]

約数ペア:

[(1, 131819620), (2, 65909810), (4, 32954905), (5, 26363924), (10, 13181962), (20, 6590981), (557, 236660), (1114, 118330), (2228, 59165), (2785, 47332), (5570, 23666), (11140, 11833)]