28263940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45587}}^1$

素因数の和:45627

約数の個数: 24

約数和(自身を含む): 61270272

約数和(自身を除く): 33006332

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45587, 91174, 182348, 227935, 455870, 911740, 1413197, 2826394, 5652788, 7065985, 14131970, 28263940]

約数ペア:

[(1, 28263940), (2, 14131970), (4, 7065985), (5, 5652788), (10, 2826394), (20, 1413197), (31, 911740), (62, 455870), (124, 227935), (155, 182348), (310, 91174), (620, 45587)]