80474720

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2087}}^1$

素因数の和:2343

約数の個数: 48

約数和(自身を含む): 191001888

約数和(自身を除く): 110527168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 482, 964, 1205, 1928, 2087, 2410, 3856, 4174, 4820, 7712, 8348, 9640, 10435, 16696, 19280, 20870, 33392, 38560, 41740, 66784, 83480, 166960, 333920, 502967, 1005934, 2011868, 2514835, 4023736, 5029670, 8047472, 10059340, 16094944, 20118680, 40237360, 80474720]

約数ペア:

[(1, 80474720), (2, 40237360), (4, 20118680), (5, 16094944), (8, 10059340), (10, 8047472), (16, 5029670), (20, 4023736), (32, 2514835), (40, 2011868), (80, 1005934), (160, 502967), (241, 333920), (482, 166960), (964, 83480), (1205, 66784), (1928, 41740), (2087, 38560), (2410, 33392), (3856, 20870), (4174, 19280), (4820, 16696), (7712, 10435), (8348, 9640)]