2153660

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 4551120

約数和(自身を除く): 2397460

約数列:

[1, 2, 4, 5, 10, 20, 257, 419, 514, 838, 1028, 1285, 1676, 2095, 2570, 4190, 5140, 8380, 107683, 215366, 430732, 538415, 1076830, 2153660]

約数ペア:

[(1, 2153660), (2, 1076830), (4, 538415), (5, 430732), (10, 215366), (20, 107683), (257, 8380), (419, 5140), (514, 4190), (838, 2570), (1028, 2095), (1285, 1676)]