772687640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{10957}}^1$

素因数の和:11052

約数の個数: 64

約数和(自身を含む): 1822534560

約数和(自身を除く): 1049846920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 7052, 8815, 10957, 14104, 17630, 21914, 35260, 43828, 54785, 70520, 87656, 109570, 219140, 438280, 449237, 471151, 898474, 942302, 1796948, 1884604, 2246185, 2355755, 3593896, 3769208, 4492370, 4711510, 8984740, 9423020, 17969480, 18846040, 19317191, 38634382, 77268764, 96585955, 154537528, 193171910, 386343820, 772687640]

約数ペア:

[(1, 772687640), (2, 386343820), (4, 193171910), (5, 154537528), (8, 96585955), (10, 77268764), (20, 38634382), (40, 19317191), (41, 18846040), (43, 17969480), (82, 9423020), (86, 8984740), (164, 4711510), (172, 4492370), (205, 3769208), (215, 3593896), (328, 2355755), (344, 2246185), (410, 1884604), (430, 1796948), (820, 942302), (860, 898474), (1640, 471151), (1720, 449237), (1763, 438280), (3526, 219140), (7052, 109570), (8815, 87656), (10957, 70520), (14104, 54785), (17630, 43828), (21914, 35260)]