29720140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{64609}}^1$

素因数の和:64641

約数の個数: 24

約数和(自身を含む): 65126880

約数和(自身を除く): 35406740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 64609, 129218, 258436, 323045, 646090, 1292180, 1486007, 2972014, 5944028, 7430035, 14860070, 29720140]

約数ペア:

[(1, 29720140), (2, 14860070), (4, 7430035), (5, 5944028), (10, 2972014), (20, 1486007), (23, 1292180), (46, 646090), (92, 323045), (115, 258436), (230, 129218), (460, 64609)]