39897860

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1531}}^1$

素因数の和:2843

約数の個数: 24

約数和(自身を含む): 83904576

約数和(自身を除く): 44006716

約数列:

[1, 2, 4, 5, 10, 20, 1303, 1531, 2606, 3062, 5212, 6124, 6515, 7655, 13030, 15310, 26060, 30620, 1994893, 3989786, 7979572, 9974465, 19948930, 39897860]

約数ペア:

[(1, 39897860), (2, 19948930), (4, 9974465), (5, 7979572), (10, 3989786), (20, 1994893), (1303, 30620), (1531, 26060), (2606, 15310), (3062, 13030), (5212, 7655), (6124, 6515)]