995603960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1914623}}^1$

素因数の和:1914647

約数の個数: 32

約数和(自身を含む): 2412426240

約数和(自身を除く): 1416822280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1914623, 3829246, 7658492, 9573115, 15316984, 19146230, 24890099, 38292460, 49780198, 76584920, 99560396, 124450495, 199120792, 248900990, 497801980, 995603960]

約数ペア:

[(1, 995603960), (2, 497801980), (4, 248900990), (5, 199120792), (8, 124450495), (10, 99560396), (13, 76584920), (20, 49780198), (26, 38292460), (40, 24890099), (52, 19146230), (65, 15316984), (104, 9573115), (130, 7658492), (260, 3829246), (520, 1914623)]