82811440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19531}}^1$

素因数の和:19597

約数の個数: 40

約数和(自身を含む): 196179408

約数和(自身を除く): 113367968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 19531, 39062, 78124, 97655, 156248, 195310, 312496, 390620, 781240, 1035143, 1562480, 2070286, 4140572, 5175715, 8281144, 10351430, 16562288, 20702860, 41405720, 82811440]

約数ペア:

[(1, 82811440), (2, 41405720), (4, 20702860), (5, 16562288), (8, 10351430), (10, 8281144), (16, 5175715), (20, 4140572), (40, 2070286), (53, 1562480), (80, 1035143), (106, 781240), (212, 390620), (265, 312496), (424, 195310), (530, 156248), (848, 97655), (1060, 78124), (2120, 39062), (4240, 19531)]