255224360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{220021}}^1$

素因数の和:220061

約数の個数: 32

約数和(自身を含む): 594059400

約数和(自身を除く): 338835040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 220021, 440042, 880084, 1100105, 1760168, 2200210, 4400420, 6380609, 8800840, 12761218, 25522436, 31903045, 51044872, 63806090, 127612180, 255224360]

約数ペア:

[(1, 255224360), (2, 127612180), (4, 63806090), (5, 51044872), (8, 31903045), (10, 25522436), (20, 12761218), (29, 8800840), (40, 6380609), (58, 4400420), (116, 2200210), (145, 1760168), (232, 1100105), (290, 880084), (580, 440042), (1160, 220021)]