130428790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{7759}}^1$

素因数の和:7848

約数の個数: 24

約数和(自身を含む): 240668640

約数和(自身を除く): 110239850

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 7759, 8405, 15518, 16810, 38795, 77590, 318119, 636238, 1590595, 3181190, 13042879, 26085758, 65214395, 130428790]

約数ペア:

[(1, 130428790), (2, 65214395), (5, 26085758), (10, 13042879), (41, 3181190), (82, 1590595), (205, 636238), (410, 318119), (1681, 77590), (3362, 38795), (7759, 16810), (8405, 15518)]