8565527620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{307891}}^1$

素因数の和:308020

約数の個数: 48

約数和(自身を含む): 19552373568

約数和(自身を除く): 10986845948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 6955, 13910, 27820, 307891, 615782, 1231564, 1539455, 3078910, 4002583, 6157820, 8005166, 16010332, 20012915, 32944337, 40025830, 65888674, 80051660, 131777348, 164721685, 329443370, 428276381, 658886740, 856552762, 1713105524, 2141381905, 4282763810, 8565527620]

約数ペア:

[(1, 8565527620), (2, 4282763810), (4, 2141381905), (5, 1713105524), (10, 856552762), (13, 658886740), (20, 428276381), (26, 329443370), (52, 164721685), (65, 131777348), (107, 80051660), (130, 65888674), (214, 40025830), (260, 32944337), (428, 20012915), (535, 16010332), (1070, 8005166), (1391, 6157820), (2140, 4002583), (2782, 3078910), (5564, 1539455), (6955, 1231564), (13910, 615782), (27820, 307891)]