64178840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145861}}^1$

素因数の和:145883

約数の個数: 32

約数和(自身を含む): 157530960

約数和(自身を除く): 93352120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 145861, 291722, 583444, 729305, 1166888, 1458610, 1604471, 2917220, 3208942, 5834440, 6417884, 8022355, 12835768, 16044710, 32089420, 64178840]

約数ペア:

[(1, 64178840), (2, 32089420), (4, 16044710), (5, 12835768), (8, 8022355), (10, 6417884), (11, 5834440), (20, 3208942), (22, 2917220), (40, 1604471), (44, 1458610), (55, 1166888), (88, 729305), (110, 583444), (220, 291722), (440, 145861)]