39893480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 99377280

約数和(自身を除く): 59483800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1277, 1420, 1562, 2554, 2840, 3124, 3905, 5108, 6248, 6385, 7810, 10216, 12770, 14047, 15620, 25540, 28094, 31240, 51080, 56188, 70235, 90667, 112376, 140470, 181334, 280940, 362668, 453335, 561880, 725336, 906670, 997337, 1813340, 1994674, 3626680, 3989348, 4986685, 7978696, 9973370, 19946740, 39893480]

約数ペア:

[(1, 39893480), (2, 19946740), (4, 9973370), (5, 7978696), (8, 4986685), (10, 3989348), (11, 3626680), (20, 1994674), (22, 1813340), (40, 997337), (44, 906670), (55, 725336), (71, 561880), (88, 453335), (110, 362668), (142, 280940), (220, 181334), (284, 140470), (355, 112376), (440, 90667), (568, 70235), (710, 56188), (781, 51080), (1277, 31240), (1420, 28094), (1562, 25540), (2554, 15620), (2840, 14047), (3124, 12770), (3905, 10216), (5108, 7810), (6248, 6385)]