127530920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{289843}}^1$

素因数の和:289865

約数の個数: 32

約数和(自身を含む): 313031520

約数和(自身を除く): 185500600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 289843, 579686, 1159372, 1449215, 2318744, 2898430, 3188273, 5796860, 6376546, 11593720, 12753092, 15941365, 25506184, 31882730, 63765460, 127530920]

約数ペア:

[(1, 127530920), (2, 63765460), (4, 31882730), (5, 25506184), (8, 15941365), (10, 12753092), (11, 11593720), (20, 6376546), (22, 5796860), (40, 3188273), (44, 2898430), (55, 2318744), (88, 1449215), (110, 1159372), (220, 579686), (440, 289843)]