125664920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73061}}^1$

素因数の和:73115

約数の個数: 32

約数和(自身を含む): 289325520

約数和(自身を除く): 163660600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 73061, 146122, 292244, 365305, 584488, 730610, 1461220, 2922440, 3141623, 6283246, 12566492, 15708115, 25132984, 31416230, 62832460, 125664920]

約数ペア:

[(1, 125664920), (2, 62832460), (4, 31416230), (5, 25132984), (8, 15708115), (10, 12566492), (20, 6283246), (40, 3141623), (43, 2922440), (86, 1461220), (172, 730610), (215, 584488), (344, 365305), (430, 292244), (860, 146122), (1720, 73061)]