82066660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{719}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 186278400

約数和(自身を除く): 104211740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 719, 878, 1438, 1756, 2195, 2876, 3595, 4390, 5707, 7190, 8780, 9347, 11414, 14380, 18694, 22828, 28535, 37388, 46735, 57070, 93470, 114140, 186940, 315641, 631282, 1262564, 1578205, 3156410, 4103333, 6312820, 8206666, 16413332, 20516665, 41033330, 82066660]

約数ペア:

[(1, 82066660), (2, 41033330), (4, 20516665), (5, 16413332), (10, 8206666), (13, 6312820), (20, 4103333), (26, 3156410), (52, 1578205), (65, 1262564), (130, 631282), (260, 315641), (439, 186940), (719, 114140), (878, 93470), (1438, 57070), (1756, 46735), (2195, 37388), (2876, 28535), (3595, 22828), (4390, 18694), (5707, 14380), (7190, 11414), (8780, 9347)]