72726760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42283}}^1$

素因数の和:42337

約数の個数: 32

約数和(自身を含む): 167444640

約数和(自身を除く): 94717880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 42283, 84566, 169132, 211415, 338264, 422830, 845660, 1691320, 1818169, 3636338, 7272676, 9090845, 14545352, 18181690, 36363380, 72726760]

約数ペア:

[(1, 72726760), (2, 36363380), (4, 18181690), (5, 14545352), (8, 9090845), (10, 7272676), (20, 3636338), (40, 1818169), (43, 1691320), (86, 845660), (172, 422830), (215, 338264), (344, 211415), (430, 169132), (860, 84566), (1720, 42283)]