128006380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{136177}}^1$

素因数の和:136233

約数の個数: 24

約数和(自身を含む): 274534848

約数和(自身を除く): 146528468

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 136177, 272354, 544708, 680885, 1361770, 2723540, 6400319, 12800638, 25601276, 32001595, 64003190, 128006380]

約数ペア:

[(1, 128006380), (2, 64003190), (4, 32001595), (5, 25601276), (10, 12800638), (20, 6400319), (47, 2723540), (94, 1361770), (188, 680885), (235, 544708), (470, 272354), (940, 136177)]