22040080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 60

約数和(自身を含む): 52814700

約数和(自身を除く): 30774620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 149, 172, 215, 298, 344, 430, 596, 688, 745, 860, 1192, 1490, 1720, 1849, 2384, 2980, 3440, 3698, 5960, 6407, 7396, 9245, 11920, 12814, 14792, 18490, 25628, 29584, 32035, 36980, 51256, 64070, 73960, 102512, 128140, 147920, 256280, 275501, 512560, 551002, 1102004, 1377505, 2204008, 2755010, 4408016, 5510020, 11020040, 22040080]

約数ペア:

[(1, 22040080), (2, 11020040), (4, 5510020), (5, 4408016), (8, 2755010), (10, 2204008), (16, 1377505), (20, 1102004), (40, 551002), (43, 512560), (80, 275501), (86, 256280), (149, 147920), (172, 128140), (215, 102512), (298, 73960), (344, 64070), (430, 51256), (596, 36980), (688, 32035), (745, 29584), (860, 25628), (1192, 18490), (1490, 14792), (1720, 12814), (1849, 11920), (2384, 9245), (2980, 7396), (3440, 6407), (3698, 5960)]