40678664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2161}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 82631640

約数和(自身を除く): 41952976

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 2161, 2353, 4322, 4706, 8644, 9412, 17288, 18824, 28093, 56186, 112372, 224744, 391141, 782282, 1564564, 3129128, 5084833, 10169666, 20339332, 40678664]

約数ペア:

[(1, 40678664), (2, 20339332), (4, 10169666), (8, 5084833), (13, 3129128), (26, 1564564), (52, 782282), (104, 391141), (181, 224744), (362, 112372), (724, 56186), (1448, 28093), (2161, 18824), (2353, 17288), (4322, 9412), (4706, 8644)]