28037980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23761}}^1$

素因数の和:23829

約数の個数: 24

約数和(自身を含む): 59880240

約数和(自身を除く): 31842260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 23761, 47522, 95044, 118805, 237610, 475220, 1401899, 2803798, 5607596, 7009495, 14018990, 28037980]

約数ペア:

[(1, 28037980), (2, 14018990), (4, 7009495), (5, 5607596), (10, 2803798), (20, 1401899), (59, 475220), (118, 237610), (236, 118805), (295, 95044), (590, 47522), (1180, 23761)]