47490920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27611}}^1$

素因数の和:27665

約数の個数: 32

約数和(自身を含む): 109343520

約数和(自身を除く): 61852600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 27611, 55222, 110444, 138055, 220888, 276110, 552220, 1104440, 1187273, 2374546, 4749092, 5936365, 9498184, 11872730, 23745460, 47490920]

約数ペア:

[(1, 47490920), (2, 23745460), (4, 11872730), (5, 9498184), (8, 5936365), (10, 4749092), (20, 2374546), (40, 1187273), (43, 1104440), (86, 552220), (172, 276110), (215, 220888), (344, 138055), (430, 110444), (860, 55222), (1720, 27611)]