80336680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25423}}^1$

素因数の和:25513

約数の個数: 32

約数和(自身を含む): 183052800

約数和(自身を除く): 102716120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 25423, 50846, 101692, 127115, 203384, 254230, 508460, 1016920, 2008417, 4016834, 8033668, 10042085, 16067336, 20084170, 40168340, 80336680]

約数ペア:

[(1, 80336680), (2, 40168340), (4, 20084170), (5, 16067336), (8, 10042085), (10, 8033668), (20, 4016834), (40, 2008417), (79, 1016920), (158, 508460), (316, 254230), (395, 203384), (632, 127115), (790, 101692), (1580, 50846), (3160, 25423)]