5510020

素因数分解:

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

素因数の和:244

約数の個数: 36

約数和(自身を含む): 11925900

約数和(自身を除く): 6415880

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 596, 745, 860, 1490, 1849, 2980, 3698, 6407, 7396, 9245, 12814, 18490, 25628, 32035, 36980, 64070, 128140, 275501, 551002, 1102004, 1377505, 2755010, 5510020]

約数ペア:

[(1, 5510020), (2, 2755010), (4, 1377505), (5, 1102004), (10, 551002), (20, 275501), (43, 128140), (86, 64070), (149, 36980), (172, 32035), (215, 25628), (298, 18490), (430, 12814), (596, 9245), (745, 7396), (860, 6407), (1490, 3698), (1849, 2980)]