16121320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5521}}^1$

素因数の和:5605

約数の個数: 32

約数和(自身を含む): 36776520

約数和(自身を除く): 20655200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5521, 11042, 22084, 27605, 44168, 55210, 110420, 220840, 403033, 806066, 1612132, 2015165, 3224264, 4030330, 8060660, 16121320]

約数ペア:

[(1, 16121320), (2, 8060660), (4, 4030330), (5, 3224264), (8, 2015165), (10, 1612132), (20, 806066), (40, 403033), (73, 220840), (146, 110420), (292, 55210), (365, 44168), (584, 27605), (730, 22084), (1460, 11042), (2920, 5521)]