20085401080

素因数分解:

$2^3\times 5^1\times {\mathrm{2879}}^1\times {\mathrm{174413}}^1$

素因数の和:177303

約数の個数: 32

約数和(自身を含む): 45208108800

約数和(自身を除く): 25122707720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2879, 5758, 11516, 14395, 23032, 28790, 57580, 115160, 174413, 348826, 697652, 872065, 1395304, 1744130, 3488260, 6976520, 502135027, 1004270054, 2008540108, 2510675135, 4017080216, 5021350270, 10042700540, 20085401080]

約数ペア:

[(1, 20085401080), (2, 10042700540), (4, 5021350270), (5, 4017080216), (8, 2510675135), (10, 2008540108), (20, 1004270054), (40, 502135027), (2879, 6976520), (5758, 3488260), (11516, 1744130), (14395, 1395304), (23032, 872065), (28790, 697652), (57580, 348826), (115160, 174413)]