155522420

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{29567}}^1$

素因数の和:29839

約数の個数: 24

約数和(自身を含む): 327849984

約数和(自身を除く): 172327564

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 29567, 59134, 118268, 147835, 295670, 591340, 7776121, 15552242, 31104484, 38880605, 77761210, 155522420]

約数ペア:

[(1, 155522420), (2, 77761210), (4, 38880605), (5, 31104484), (10, 15552242), (20, 7776121), (263, 591340), (526, 295670), (1052, 147835), (1315, 118268), (2630, 59134), (5260, 29567)]