71114920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13999}}^1$

素因数の和:14137

約数の個数: 32

約数和(自身を含む): 161280000

約数和(自身を除く): 90165080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 13999, 27998, 55996, 69995, 111992, 139990, 279980, 559960, 1777873, 3555746, 7111492, 8889365, 14222984, 17778730, 35557460, 71114920]

約数ペア:

[(1, 71114920), (2, 35557460), (4, 17778730), (5, 14222984), (8, 8889365), (10, 7111492), (20, 3555746), (40, 1777873), (127, 559960), (254, 279980), (508, 139990), (635, 111992), (1016, 69995), (1270, 55996), (2540, 27998), (5080, 13999)]