1205720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 2779920

約数和(自身を除く): 1574200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 701, 860, 1402, 1720, 2804, 3505, 5608, 7010, 14020, 28040, 30143, 60286, 120572, 150715, 241144, 301430, 602860, 1205720]

約数ペア:

[(1, 1205720), (2, 602860), (4, 301430), (5, 241144), (8, 150715), (10, 120572), (20, 60286), (40, 30143), (43, 28040), (86, 14020), (172, 7010), (215, 5608), (344, 3505), (430, 2804), (701, 1720), (860, 1402)]