80895412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21911}}^1$

素因数の和:21999

約数の個数: 24

約数和(自身を含む): 154611072

約数和(自身を除く): 73715660

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 21911, 43822, 87644, 284843, 569686, 1139372, 1555681, 3111362, 6222724, 20223853, 40447706, 80895412]

約数ペア:

[(1, 80895412), (2, 40447706), (4, 20223853), (13, 6222724), (26, 3111362), (52, 1555681), (71, 1139372), (142, 569686), (284, 284843), (923, 87644), (1846, 43822), (3692, 21911)]