2013960920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{396449}}^1$

素因数の和:396587

約数の個数: 32

約数和(自身を含む): 4567104000

約数和(自身を除く): 2553143080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 396449, 792898, 1585796, 1982245, 3171592, 3964490, 7928980, 15857960, 50349023, 100698046, 201396092, 251745115, 402792184, 503490230, 1006980460, 2013960920]

約数ペア:

[(1, 2013960920), (2, 1006980460), (4, 503490230), (5, 402792184), (8, 251745115), (10, 201396092), (20, 100698046), (40, 50349023), (127, 15857960), (254, 7928980), (508, 3964490), (635, 3171592), (1016, 1982245), (1270, 1585796), (2540, 792898), (5080, 396449)]