65697260

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2521}}^1$

素因数の和:3833

約数の個数: 24

約数和(自身を含む): 138124896

約数和(自身を除く): 72427636

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2521, 2606, 5042, 5212, 6515, 10084, 12605, 13030, 25210, 26060, 50420, 3284863, 6569726, 13139452, 16424315, 32848630, 65697260]

約数ペア:

[(1, 65697260), (2, 32848630), (4, 16424315), (5, 13139452), (10, 6569726), (20, 3284863), (1303, 50420), (2521, 26060), (2606, 25210), (5042, 13030), (5212, 12605), (6515, 10084)]