27271640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61981}}^1$

素因数の和:62003

約数の個数: 32

約数和(自身を含む): 66940560

約数和(自身を除く): 39668920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 61981, 123962, 247924, 309905, 495848, 619810, 681791, 1239620, 1363582, 2479240, 2727164, 3408955, 5454328, 6817910, 13635820, 27271640]

約数ペア:

[(1, 27271640), (2, 13635820), (4, 6817910), (5, 5454328), (8, 3408955), (10, 2727164), (11, 2479240), (20, 1363582), (22, 1239620), (40, 681791), (44, 619810), (55, 495848), (88, 309905), (110, 247924), (220, 123962), (440, 61981)]