71721260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1237}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 163059456

約数和(自身を除く): 91338196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 1237, 2230, 2474, 2899, 4460, 4948, 5798, 6185, 11596, 12370, 14495, 16081, 24740, 28990, 32162, 57980, 64324, 80405, 160810, 275851, 321620, 551702, 1103404, 1379255, 2758510, 3586063, 5517020, 7172126, 14344252, 17930315, 35860630, 71721260]

約数ペア:

[(1, 71721260), (2, 35860630), (4, 17930315), (5, 14344252), (10, 7172126), (13, 5517020), (20, 3586063), (26, 2758510), (52, 1379255), (65, 1103404), (130, 551702), (223, 321620), (260, 275851), (446, 160810), (892, 80405), (1115, 64324), (1237, 57980), (2230, 32162), (2474, 28990), (2899, 24740), (4460, 16081), (4948, 14495), (5798, 12370), (6185, 11596)]