42685000

素因数分解:

$2^3\times 5^4\times {\mathrm{8537}}^1$

素因数の和:8563

約数の個数: 40

約数和(自身を含む): 100022670

約数和(自身を除く): 57337670

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 8537, 17074, 34148, 42685, 68296, 85370, 170740, 213425, 341480, 426850, 853700, 1067125, 1707400, 2134250, 4268500, 5335625, 8537000, 10671250, 21342500, 42685000]

約数ペア:

[(1, 42685000), (2, 21342500), (4, 10671250), (5, 8537000), (8, 5335625), (10, 4268500), (20, 2134250), (25, 1707400), (40, 1067125), (50, 853700), (100, 426850), (125, 341480), (200, 213425), (250, 170740), (500, 85370), (625, 68296), (1000, 42685), (1250, 34148), (2500, 17074), (5000, 8537)]