87542380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{106759}}^1$

素因数の和:106809

約数の個数: 24

約数和(自身を含む): 188324640

約数和(自身を除く): 100782260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 106759, 213518, 427036, 533795, 1067590, 2135180, 4377119, 8754238, 17508476, 21885595, 43771190, 87542380]

約数ペア:

[(1, 87542380), (2, 43771190), (4, 21885595), (5, 17508476), (10, 8754238), (20, 4377119), (41, 2135180), (82, 1067590), (164, 533795), (205, 427036), (410, 213518), (820, 106759)]