16128380

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1307}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 33950448

約数和(自身を除く): 17822068

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1307, 2468, 2614, 3085, 5228, 6170, 6535, 12340, 13070, 26140, 806419, 1612838, 3225676, 4032095, 8064190, 16128380]

約数ペア:

[(1, 16128380), (2, 8064190), (4, 4032095), (5, 3225676), (10, 1612838), (20, 806419), (617, 26140), (1234, 13070), (1307, 12340), (2468, 6535), (2614, 6170), (3085, 5228)]