80418380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1847}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 193729536

約数和(自身を除く): 113311156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 1847, 2177, 3110, 3694, 4354, 6220, 7388, 8708, 9235, 10885, 12929, 18470, 21770, 25858, 36940, 43540, 51716, 64645, 129290, 258580, 574417, 1148834, 2297668, 2872085, 4020919, 5744170, 8041838, 11488340, 16083676, 20104595, 40209190, 80418380]

約数ペア:

[(1, 80418380), (2, 40209190), (4, 20104595), (5, 16083676), (7, 11488340), (10, 8041838), (14, 5744170), (20, 4020919), (28, 2872085), (35, 2297668), (70, 1148834), (140, 574417), (311, 258580), (622, 129290), (1244, 64645), (1555, 51716), (1847, 43540), (2177, 36940), (3110, 25858), (3694, 21770), (4354, 18470), (6220, 12929), (7388, 10885), (8708, 9235)]