28204390

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11801}}^1$

素因数の和:12047

約数の個数: 16

約数和(自身を含む): 50984640

約数和(自身を除く): 22780250

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 11801, 23602, 59005, 118010, 2820439, 5640878, 14102195, 28204390]

約数ペア:

[(1, 28204390), (2, 14102195), (5, 5640878), (10, 2820439), (239, 118010), (478, 59005), (1195, 23602), (2390, 11801)]