56640890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 105114240

約数和(自身を除く): 48473350

約数列:

[1, 2, 5, 10, 43, 86, 157, 215, 314, 430, 785, 839, 1570, 1678, 4195, 6751, 8390, 13502, 33755, 36077, 67510, 72154, 131723, 180385, 263446, 360770, 658615, 1317230, 5664089, 11328178, 28320445, 56640890]

約数ペア:

[(1, 56640890), (2, 28320445), (5, 11328178), (10, 5664089), (43, 1317230), (86, 658615), (157, 360770), (215, 263446), (314, 180385), (430, 131723), (785, 72154), (839, 67510), (1570, 36077), (1678, 33755), (4195, 13502), (6751, 8390)]