90779560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 210988800

約数和(自身を除く): 120209240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 109, 188, 218, 235, 376, 436, 443, 470, 545, 872, 886, 940, 1090, 1772, 1880, 2180, 2215, 3544, 4360, 4430, 5123, 8860, 10246, 17720, 20492, 20821, 25615, 40984, 41642, 48287, 51230, 83284, 96574, 102460, 104105, 166568, 193148, 204920, 208210, 241435, 386296, 416420, 482870, 832840, 965740, 1931480, 2269489, 4538978, 9077956, 11347445, 18155912, 22694890, 45389780, 90779560]

約数ペア:

[(1, 90779560), (2, 45389780), (4, 22694890), (5, 18155912), (8, 11347445), (10, 9077956), (20, 4538978), (40, 2269489), (47, 1931480), (94, 965740), (109, 832840), (188, 482870), (218, 416420), (235, 386296), (376, 241435), (436, 208210), (443, 204920), (470, 193148), (545, 166568), (872, 104105), (886, 102460), (940, 96574), (1090, 83284), (1772, 51230), (1880, 48287), (2180, 41642), (2215, 40984), (3544, 25615), (4360, 20821), (4430, 20492), (5123, 17720), (8860, 10246)]