10820680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20809}}^1$

素因数の和:20833

約数の個数: 32

約数和(自身を含む): 26220600

約数和(自身を除く): 15399920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 20809, 41618, 83236, 104045, 166472, 208090, 270517, 416180, 541034, 832360, 1082068, 1352585, 2164136, 2705170, 5410340, 10820680]

約数ペア:

[(1, 10820680), (2, 5410340), (4, 2705170), (5, 2164136), (8, 1352585), (10, 1082068), (13, 832360), (20, 541034), (26, 416180), (40, 270517), (52, 208090), (65, 166472), (104, 104045), (130, 83236), (260, 41618), (520, 20809)]