2080402870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2630

約数の個数: 128

約数和(自身を含む): 4923555840

約数和(自身を除く): 2843152970

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 31, 35, 58, 62, 65, 70, 91, 130, 145, 155, 182, 203, 217, 290, 310, 377, 403, 406, 434, 455, 754, 806, 899, 910, 1015, 1085, 1798, 1885, 2015, 2030, 2170, 2543, 2639, 2821, 3770, 4030, 4495, 5086, 5278, 5642, 6293, 8990, 11687, 12586, 12715, 13195, 14105, 17801, 23374, 25430, 26390, 28210, 31465, 33059, 35602, 58435, 62930, 66118, 73747, 78833, 81809, 89005, 116870, 147494, 157666, 163618, 165295, 178010, 231413, 330590, 368735, 394165, 409045, 462826, 516229, 551831, 737470, 788330, 818090, 958711, 1024829, 1032458, 1103662, 1157065, 1917422, 2049658, 2286157, 2314130, 2581145, 2759155, 4572314, 4793555, 5124145, 5162290, 5518310, 6710977, 7173803, 9587110, 10248290, 11430785, 13421954, 14347606, 16003099, 22861570, 29720041, 32006198, 33554885, 35869015, 59440082, 67109770, 71738030, 80015495, 148600205, 160030990, 208040287, 297200410, 416080574, 1040201435, 2080402870]

約数ペア:

[(1, 2080402870), (2, 1040201435), (5, 416080574), (7, 297200410), (10, 208040287), (13, 160030990), (14, 148600205), (26, 80015495), (29, 71738030), (31, 67109770), (35, 59440082), (58, 35869015), (62, 33554885), (65, 32006198), (70, 29720041), (91, 22861570), (130, 16003099), (145, 14347606), (155, 13421954), (182, 11430785), (203, 10248290), (217, 9587110), (290, 7173803), (310, 6710977), (377, 5518310), (403, 5162290), (406, 5124145), (434, 4793555), (455, 4572314), (754, 2759155), (806, 2581145), (899, 2314130), (910, 2286157), (1015, 2049658), (1085, 1917422), (1798, 1157065), (1885, 1103662), (2015, 1032458), (2030, 1024829), (2170, 958711), (2543, 818090), (2639, 788330), (2821, 737470), (3770, 551831), (4030, 516229), (4495, 462826), (5086, 409045), (5278, 394165), (5642, 368735), (6293, 330590), (8990, 231413), (11687, 178010), (12586, 165295), (12715, 163618), (13195, 157666), (14105, 147494), (17801, 116870), (23374, 89005), (25430, 81809), (26390, 78833), (28210, 73747), (31465, 66118), (33059, 62930), (35602, 58435)]