27717940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 60238080

約数和(自身を除く): 32520140

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 265, 316, 331, 395, 530, 662, 790, 1060, 1324, 1580, 1655, 3310, 4187, 6620, 8374, 16748, 17543, 20935, 26149, 35086, 41870, 52298, 70172, 83740, 87715, 104596, 130745, 175430, 261490, 350860, 522980, 1385897, 2771794, 5543588, 6929485, 13858970, 27717940]

約数ペア:

[(1, 27717940), (2, 13858970), (4, 6929485), (5, 5543588), (10, 2771794), (20, 1385897), (53, 522980), (79, 350860), (106, 261490), (158, 175430), (212, 130745), (265, 104596), (316, 87715), (331, 83740), (395, 70172), (530, 52298), (662, 41870), (790, 35086), (1060, 26149), (1324, 20935), (1580, 17543), (1655, 16748), (3310, 8374), (4187, 6620)]