10828120

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 24459120

約数和(自身を除く): 13631000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 643, 842, 1286, 1684, 2105, 2572, 3215, 3368, 4210, 5144, 6430, 8420, 12860, 16840, 25720, 270703, 541406, 1082812, 1353515, 2165624, 2707030, 5414060, 10828120]

約数ペア:

[(1, 10828120), (2, 5414060), (4, 2707030), (5, 2165624), (8, 1353515), (10, 1082812), (20, 541406), (40, 270703), (421, 25720), (643, 16840), (842, 12860), (1286, 8420), (1684, 6430), (2105, 5144), (2572, 4210), (3215, 3368)]