11020040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 25555500

約数和(自身を除く): 14535460

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 149, 172, 215, 298, 344, 430, 596, 745, 860, 1192, 1490, 1720, 1849, 2980, 3698, 5960, 6407, 7396, 9245, 12814, 14792, 18490, 25628, 32035, 36980, 51256, 64070, 73960, 128140, 256280, 275501, 551002, 1102004, 1377505, 2204008, 2755010, 5510020, 11020040]

約数ペア:

[(1, 11020040), (2, 5510020), (4, 2755010), (5, 2204008), (8, 1377505), (10, 1102004), (20, 551002), (40, 275501), (43, 256280), (86, 128140), (149, 73960), (172, 64070), (215, 51256), (298, 36980), (344, 32035), (430, 25628), (596, 18490), (745, 14792), (860, 12814), (1192, 9245), (1490, 7396), (1720, 6407), (1849, 5960), (2980, 3698)]