15813800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 37778460

約数和(自身を除く): 21964660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 2137, 3700, 4274, 7400, 8548, 10685, 17096, 21370, 42740, 53425, 79069, 85480, 106850, 158138, 213700, 316276, 395345, 427400, 632552, 790690, 1581380, 1976725, 3162760, 3953450, 7906900, 15813800]

約数ペア:

[(1, 15813800), (2, 7906900), (4, 3953450), (5, 3162760), (8, 1976725), (10, 1581380), (20, 790690), (25, 632552), (37, 427400), (40, 395345), (50, 316276), (74, 213700), (100, 158138), (148, 106850), (185, 85480), (200, 79069), (296, 53425), (370, 42740), (740, 21370), (925, 17096), (1480, 10685), (1850, 8548), (2137, 7400), (3700, 4274)]