61212920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90019}}^1$

素因数の和:90047

約数の個数: 32

約数和(自身を含む): 145832400

約数和(自身を除く): 84619480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90019, 180038, 360076, 450095, 720152, 900190, 1530323, 1800380, 3060646, 3600760, 6121292, 7651615, 12242584, 15303230, 30606460, 61212920]

約数ペア:

[(1, 61212920), (2, 30606460), (4, 15303230), (5, 12242584), (8, 7651615), (10, 6121292), (17, 3600760), (20, 3060646), (34, 1800380), (40, 1530323), (68, 900190), (85, 720152), (136, 450095), (170, 360076), (340, 180038), (680, 90019)]