31725680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 85036224

約数和(自身を除く): 53310544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 313, 362, 560, 626, 724, 905, 1252, 1267, 1448, 1565, 1810, 2191, 2504, 2534, 2896, 3130, 3620, 4382, 5008, 5068, 6260, 6335, 7240, 8764, 10136, 10955, 12520, 12670, 14480, 17528, 20272, 21910, 25040, 25340, 35056, 43820, 50680, 56653, 87640, 101360, 113306, 175280, 226612, 283265, 396571, 453224, 566530, 793142, 906448, 1133060, 1586284, 1982855, 2266120, 3172568, 3965710, 4532240, 6345136, 7931420, 15862840, 31725680]

約数ペア:

[(1, 31725680), (2, 15862840), (4, 7931420), (5, 6345136), (7, 4532240), (8, 3965710), (10, 3172568), (14, 2266120), (16, 1982855), (20, 1586284), (28, 1133060), (35, 906448), (40, 793142), (56, 566530), (70, 453224), (80, 396571), (112, 283265), (140, 226612), (181, 175280), (280, 113306), (313, 101360), (362, 87640), (560, 56653), (626, 50680), (724, 43820), (905, 35056), (1252, 25340), (1267, 25040), (1448, 21910), (1565, 20272), (1810, 17528), (2191, 14480), (2504, 12670), (2534, 12520), (2896, 10955), (3130, 10136), (3620, 8764), (4382, 7240), (5008, 6335), (5068, 6260)]