8906480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 23436000

約数和(自身を除く): 14529520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 349, 440, 464, 580, 638, 698, 880, 1160, 1276, 1396, 1595, 1745, 2320, 2552, 2792, 3190, 3490, 3839, 5104, 5584, 6380, 6980, 7678, 10121, 12760, 13960, 15356, 19195, 20242, 25520, 27920, 30712, 38390, 40484, 50605, 61424, 76780, 80968, 101210, 111331, 153560, 161936, 202420, 222662, 307120, 404840, 445324, 556655, 809680, 890648, 1113310, 1781296, 2226620, 4453240, 8906480]

約数ペア:

[(1, 8906480), (2, 4453240), (4, 2226620), (5, 1781296), (8, 1113310), (10, 890648), (11, 809680), (16, 556655), (20, 445324), (22, 404840), (29, 307120), (40, 222662), (44, 202420), (55, 161936), (58, 153560), (80, 111331), (88, 101210), (110, 80968), (116, 76780), (145, 61424), (176, 50605), (220, 40484), (232, 38390), (290, 30712), (319, 27920), (349, 25520), (440, 20242), (464, 19195), (580, 15356), (638, 13960), (698, 12760), (880, 10121), (1160, 7678), (1276, 6980), (1396, 6380), (1595, 5584), (1745, 5104), (2320, 3839), (2552, 3490), (2792, 3190)]