87297940

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{13187}}^1$

素因数の和:13527

約数の個数: 24

約数和(自身を含む): 183893472

約数和(自身を除く): 96595532

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 13187, 26374, 52748, 65935, 131870, 263740, 4364897, 8729794, 17459588, 21824485, 43648970, 87297940]

約数ペア:

[(1, 87297940), (2, 43648970), (4, 21824485), (5, 17459588), (10, 8729794), (20, 4364897), (331, 263740), (662, 131870), (1324, 65935), (1655, 52748), (3310, 26374), (6620, 13187)]