2454544280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{390851}}^1$

素因数の和:391019

約数の個数: 32

約数和(自身を含む): 5557915440

約数和(自身を除く): 3103371160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 390851, 781702, 1563404, 1954255, 3126808, 3908510, 7817020, 15634040, 61363607, 122727214, 245454428, 306818035, 490908856, 613636070, 1227272140, 2454544280]

約数ペア:

[(1, 2454544280), (2, 1227272140), (4, 613636070), (5, 490908856), (8, 306818035), (10, 245454428), (20, 122727214), (40, 61363607), (157, 15634040), (314, 7817020), (628, 3908510), (785, 3126808), (1256, 1954255), (1570, 1563404), (3140, 781702), (6280, 390851)]