2688380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7907}}^1$

素因数の和:7933

約数の個数: 24

約数和(自身を含む): 5978448

約数和(自身を除く): 3290068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 7907, 15814, 31628, 39535, 79070, 134419, 158140, 268838, 537676, 672095, 1344190, 2688380]

約数ペア:

[(1, 2688380), (2, 1344190), (4, 672095), (5, 537676), (10, 268838), (17, 158140), (20, 134419), (34, 79070), (68, 39535), (85, 31628), (170, 15814), (340, 7907)]