5172920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 11793600

約数和(自身を除く): 6620680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 1637, 3160, 3274, 6548, 8185, 13096, 16370, 32740, 65480, 129323, 258646, 517292, 646615, 1034584, 1293230, 2586460, 5172920]

約数ペア:

[(1, 5172920), (2, 2586460), (4, 1293230), (5, 1034584), (8, 646615), (10, 517292), (20, 258646), (40, 129323), (79, 65480), (158, 32740), (316, 16370), (395, 13096), (632, 8185), (790, 6548), (1580, 3274), (1637, 3160)]