161480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 397440

約数和(自身を除く): 235960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 367, 440, 734, 1468, 1835, 2936, 3670, 4037, 7340, 8074, 14680, 16148, 20185, 32296, 40370, 80740, 161480]

約数ペア:

[(1, 161480), (2, 80740), (4, 40370), (5, 32296), (8, 20185), (10, 16148), (11, 14680), (20, 8074), (22, 7340), (40, 4037), (44, 3670), (55, 2936), (88, 1835), (110, 1468), (220, 734), (367, 440)]