27658840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62861}}^1$

素因数の和:62883

約数の個数: 32

約数和(自身を含む): 67890960

約数和(自身を除く): 40232120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 62861, 125722, 251444, 314305, 502888, 628610, 691471, 1257220, 1382942, 2514440, 2765884, 3457355, 5531768, 6914710, 13829420, 27658840]

約数ペア:

[(1, 27658840), (2, 13829420), (4, 6914710), (5, 5531768), (8, 3457355), (10, 2765884), (11, 2514440), (20, 1382942), (22, 1257220), (40, 691471), (44, 628610), (55, 502888), (88, 314305), (110, 251444), (220, 125722), (440, 62861)]