64706120

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{5521}}^1$

素因数の和:5825

約数の個数: 32

約数和(自身を含む): 146112120

約数和(自身を除く): 81406000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5521, 5860, 11042, 11720, 22084, 27605, 44168, 55210, 110420, 220840, 1617653, 3235306, 6470612, 8088265, 12941224, 16176530, 32353060, 64706120]

約数ペア:

[(1, 64706120), (2, 32353060), (4, 16176530), (5, 12941224), (8, 8088265), (10, 6470612), (20, 3235306), (40, 1617653), (293, 220840), (586, 110420), (1172, 55210), (1465, 44168), (2344, 27605), (2930, 22084), (5521, 11720), (5860, 11042)]