26509640

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2131}}^1$

素因数の和:2453

約数の個数: 32

約数和(自身を含む): 59866560

約数和(自身を除く): 33356920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2131, 2488, 3110, 4262, 6220, 8524, 10655, 12440, 17048, 21310, 42620, 85240, 662741, 1325482, 2650964, 3313705, 5301928, 6627410, 13254820, 26509640]

約数ペア:

[(1, 26509640), (2, 13254820), (4, 6627410), (5, 5301928), (8, 3313705), (10, 2650964), (20, 1325482), (40, 662741), (311, 85240), (622, 42620), (1244, 21310), (1555, 17048), (2131, 12440), (2488, 10655), (3110, 8524), (4262, 6220)]