129331120840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104299291}}^1$

素因数の和:104299333

約数の個数: 32

約数和(自身を含む): 300381960960

約数和(自身を除く): 171050840120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 104299291, 208598582, 417197164, 521496455, 834394328, 1042992910, 2085985820, 3233278021, 4171971640, 6466556042, 12933112084, 16166390105, 25866224168, 32332780210, 64665560420, 129331120840]

約数ペア:

[(1, 129331120840), (2, 64665560420), (4, 32332780210), (5, 25866224168), (8, 16166390105), (10, 12933112084), (20, 6466556042), (31, 4171971640), (40, 3233278021), (62, 2085985820), (124, 1042992910), (155, 834394328), (248, 521496455), (310, 417197164), (620, 208598582), (1240, 104299291)]