13135940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21187}}^1$

素因数の和:21227

約数の個数: 24

約数和(自身を含む): 28476672

約数和(自身を除く): 15340732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21187, 42374, 84748, 105935, 211870, 423740, 656797, 1313594, 2627188, 3283985, 6567970, 13135940]

約数ペア:

[(1, 13135940), (2, 6567970), (4, 3283985), (5, 2627188), (10, 1313594), (20, 656797), (31, 423740), (62, 211870), (124, 105935), (155, 84748), (310, 42374), (620, 21187)]