87355060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1249}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 198450000

約数和(自身を除く): 111094940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1249, 1345, 2498, 2690, 3497, 4996, 5380, 6245, 6994, 12490, 13988, 16237, 17485, 24980, 32474, 34970, 64948, 69940, 81185, 162370, 324740, 335981, 671962, 1343924, 1679905, 3359810, 4367753, 6719620, 8735506, 17471012, 21838765, 43677530, 87355060]

約数ペア:

[(1, 87355060), (2, 43677530), (4, 21838765), (5, 17471012), (10, 8735506), (13, 6719620), (20, 4367753), (26, 3359810), (52, 1679905), (65, 1343924), (130, 671962), (260, 335981), (269, 324740), (538, 162370), (1076, 81185), (1249, 69940), (1345, 64948), (2498, 34970), (2690, 32474), (3497, 24980), (4996, 17485), (5380, 16237), (6245, 13988), (6994, 12490)]