3990368920

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{267451}}^1$

素因数の和:267835

約数の個数: 32

約数和(自身を含む): 9002434320

約数和(自身を除く): 5012065400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 14920, 267451, 534902, 1069804, 1337255, 2139608, 2674510, 5349020, 10698040, 99759223, 199518446, 399036892, 498796115, 798073784, 997592230, 1995184460, 3990368920]

約数ペア:

[(1, 3990368920), (2, 1995184460), (4, 997592230), (5, 798073784), (8, 498796115), (10, 399036892), (20, 199518446), (40, 99759223), (373, 10698040), (746, 5349020), (1492, 2674510), (1865, 2139608), (2984, 1337255), (3730, 1069804), (7460, 534902), (14920, 267451)]