57781960

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1987}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 130253760

約数和(自身を除く): 72471800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 1987, 2908, 3635, 3974, 5816, 7270, 7948, 9935, 14540, 15896, 19870, 29080, 39740, 79480, 1444549, 2889098, 5778196, 7222745, 11556392, 14445490, 28890980, 57781960]

約数ペア:

[(1, 57781960), (2, 28890980), (4, 14445490), (5, 11556392), (8, 7222745), (10, 5778196), (20, 2889098), (40, 1444549), (727, 79480), (1454, 39740), (1987, 29080), (2908, 19870), (3635, 15896), (3974, 14540), (5816, 9935), (7270, 7948)]