1252805080

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{140449}}^1$

素因数の和:140683

約数の個数: 32

約数和(自身を含む): 2831472000

約数和(自身を除く): 1578666920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 140449, 280898, 561796, 702245, 1123592, 1404490, 2808980, 5617960, 31320127, 62640254, 125280508, 156600635, 250561016, 313201270, 626402540, 1252805080]

約数ペア:

[(1, 1252805080), (2, 626402540), (4, 313201270), (5, 250561016), (8, 156600635), (10, 125280508), (20, 62640254), (40, 31320127), (223, 5617960), (446, 2808980), (892, 1404490), (1115, 1123592), (1784, 702245), (2230, 561796), (4460, 280898), (8920, 140449)]