15962120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9733}}^1$

素因数の和:9785

約数の個数: 32

約数和(自身を含む): 36794520

約数和(自身を除く): 20832400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9733, 19466, 38932, 48665, 77864, 97330, 194660, 389320, 399053, 798106, 1596212, 1995265, 3192424, 3990530, 7981060, 15962120]

約数ペア:

[(1, 15962120), (2, 7981060), (4, 3990530), (5, 3192424), (8, 1995265), (10, 1596212), (20, 798106), (40, 399053), (41, 389320), (82, 194660), (164, 97330), (205, 77864), (328, 48665), (410, 38932), (820, 19466), (1640, 9733)]