8902772080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1\times {\mathrm{1249}}^1$

素因数の和:2042

約数の個数: 80

約数和(自身を含む): 20897100000

約数和(自身を除く): 11994327920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 641, 695, 1112, 1249, 1282, 1390, 2224, 2498, 2564, 2780, 3205, 4996, 5128, 5560, 6245, 6410, 9992, 10256, 11120, 12490, 12820, 19984, 24980, 25640, 49960, 51280, 89099, 99920, 173611, 178198, 347222, 356396, 445495, 694444, 712792, 800609, 868055, 890990, 1388888, 1425584, 1601218, 1736110, 1781980, 2777776, 3202436, 3472220, 3563960, 4003045, 6404872, 6944440, 7127920, 8006090, 12809744, 13888880, 16012180, 32024360, 64048720, 111284651, 222569302, 445138604, 556423255, 890277208, 1112846510, 1780554416, 2225693020, 4451386040, 8902772080]

約数ペア:

[(1, 8902772080), (2, 4451386040), (4, 2225693020), (5, 1780554416), (8, 1112846510), (10, 890277208), (16, 556423255), (20, 445138604), (40, 222569302), (80, 111284651), (139, 64048720), (278, 32024360), (556, 16012180), (641, 13888880), (695, 12809744), (1112, 8006090), (1249, 7127920), (1282, 6944440), (1390, 6404872), (2224, 4003045), (2498, 3563960), (2564, 3472220), (2780, 3202436), (3205, 2777776), (4996, 1781980), (5128, 1736110), (5560, 1601218), (6245, 1425584), (6410, 1388888), (9992, 890990), (10256, 868055), (11120, 800609), (12490, 712792), (12820, 694444), (19984, 445495), (24980, 356396), (25640, 347222), (49960, 178198), (51280, 173611), (89099, 99920)]