870220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3347}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 1968624

約数和(自身を除く): 1098404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3347, 6694, 13388, 16735, 33470, 43511, 66940, 87022, 174044, 217555, 435110, 870220]

約数ペア:

[(1, 870220), (2, 435110), (4, 217555), (5, 174044), (10, 87022), (13, 66940), (20, 43511), (26, 33470), (52, 16735), (65, 13388), (130, 6694), (260, 3347)]