88145440

素因数分解:

$2^5\times 5^1\times {\mathrm{550909}}^1$

素因数の和:550924

約数の個数: 24

約数和(自身を含む): 208243980

約数和(自身を除く): 120098540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 550909, 1101818, 2203636, 2754545, 4407272, 5509090, 8814544, 11018180, 17629088, 22036360, 44072720, 88145440]

約数ペア:

[(1, 88145440), (2, 44072720), (4, 22036360), (5, 17629088), (8, 11018180), (10, 8814544), (16, 5509090), (20, 4407272), (32, 2754545), (40, 2203636), (80, 1101818), (160, 550909)]