56937140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218989}}^1$

素因数の和:219011

約数の個数: 24

約数和(自身を含む): 128766120

約数和(自身を除く): 71828980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218989, 437978, 875956, 1094945, 2189890, 2846857, 4379780, 5693714, 11387428, 14234285, 28468570, 56937140]

約数ペア:

[(1, 56937140), (2, 28468570), (4, 14234285), (5, 11387428), (10, 5693714), (13, 4379780), (20, 2846857), (26, 2189890), (52, 1094945), (65, 875956), (130, 437978), (260, 218989)]