16940120

素因数分解:

$2^3\times 5^1\times {\mathrm{423503}}^1$

素因数の和:423514

約数の個数: 16

約数和(自身を含む): 38115360

約数和(自身を除く): 21175240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 423503, 847006, 1694012, 2117515, 3388024, 4235030, 8470060, 16940120]

約数ペア:

[(1, 16940120), (2, 8470060), (4, 4235030), (5, 3388024), (8, 2117515), (10, 1694012), (20, 847006), (40, 423503)]