649767560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{9839}}^1$

素因数の和:9990

約数の個数: 64

約数和(自身を含む): 1586995200

約数和(自身を除く): 937227640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 3302, 5080, 6604, 8255, 9839, 13208, 16510, 19678, 33020, 39356, 49195, 66040, 78712, 98390, 127907, 196780, 255814, 393560, 511628, 639535, 1023256, 1249553, 1279070, 2499106, 2558140, 4998212, 5116280, 6247765, 9996424, 12495530, 16244189, 24991060, 32488378, 49982120, 64976756, 81220945, 129953512, 162441890, 324883780, 649767560]

約数ペア:

[(1, 649767560), (2, 324883780), (4, 162441890), (5, 129953512), (8, 81220945), (10, 64976756), (13, 49982120), (20, 32488378), (26, 24991060), (40, 16244189), (52, 12495530), (65, 9996424), (104, 6247765), (127, 5116280), (130, 4998212), (254, 2558140), (260, 2499106), (508, 1279070), (520, 1249553), (635, 1023256), (1016, 639535), (1270, 511628), (1651, 393560), (2540, 255814), (3302, 196780), (5080, 127907), (6604, 98390), (8255, 78712), (9839, 66040), (13208, 49195), (16510, 39356), (19678, 33020)]