2080475080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{12037}}^1$

素因数の和:12226

約数の個数: 64

約数和(自身を含む): 4875390000

約数和(自身を除く): 2794914920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 580, 596, 745, 1160, 1192, 1490, 2980, 4321, 5960, 8642, 12037, 17284, 21605, 24074, 34568, 43210, 48148, 60185, 86420, 96296, 120370, 172840, 240740, 349073, 481480, 698146, 1396292, 1745365, 1793513, 2792584, 3490730, 3587026, 6981460, 7174052, 8967565, 13962920, 14348104, 17935130, 35870260, 52011877, 71740520, 104023754, 208047508, 260059385, 416095016, 520118770, 1040237540, 2080475080]

約数ペア:

[(1, 2080475080), (2, 1040237540), (4, 520118770), (5, 416095016), (8, 260059385), (10, 208047508), (20, 104023754), (29, 71740520), (40, 52011877), (58, 35870260), (116, 17935130), (145, 14348104), (149, 13962920), (232, 8967565), (290, 7174052), (298, 6981460), (580, 3587026), (596, 3490730), (745, 2792584), (1160, 1793513), (1192, 1745365), (1490, 1396292), (2980, 698146), (4321, 481480), (5960, 349073), (8642, 240740), (12037, 172840), (17284, 120370), (21605, 96296), (24074, 86420), (34568, 60185), (43210, 48148)]