65272280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 151921440

約数和(自身を除く): 86649160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 277, 344, 430, 548, 554, 685, 860, 1096, 1108, 1370, 1385, 1720, 2216, 2740, 2770, 5480, 5540, 5891, 11080, 11782, 11911, 23564, 23822, 29455, 37949, 47128, 47644, 58910, 59555, 75898, 95288, 117820, 119110, 151796, 189745, 235640, 238220, 303592, 379490, 476440, 758980, 1517960, 1631807, 3263614, 6527228, 8159035, 13054456, 16318070, 32636140, 65272280]

約数ペア:

[(1, 65272280), (2, 32636140), (4, 16318070), (5, 13054456), (8, 8159035), (10, 6527228), (20, 3263614), (40, 1631807), (43, 1517960), (86, 758980), (137, 476440), (172, 379490), (215, 303592), (274, 238220), (277, 235640), (344, 189745), (430, 151796), (548, 119110), (554, 117820), (685, 95288), (860, 75898), (1096, 59555), (1108, 58910), (1370, 47644), (1385, 47128), (1720, 37949), (2216, 29455), (2740, 23822), (2770, 23564), (5480, 11911), (5540, 11782), (5891, 11080)]