31943720

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2141}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 72099720

約数和(自身を除く): 40156000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2141, 2984, 3730, 4282, 7460, 8564, 10705, 14920, 17128, 21410, 42820, 85640, 798593, 1597186, 3194372, 3992965, 6388744, 7985930, 15971860, 31943720]

約数ペア:

[(1, 31943720), (2, 15971860), (4, 7985930), (5, 6388744), (8, 3992965), (10, 3194372), (20, 1597186), (40, 798593), (373, 85640), (746, 42820), (1492, 21410), (1865, 17128), (2141, 14920), (2984, 10705), (3730, 8564), (4282, 7460)]