16838240

素因数分解:

$2^5\times 5^1\times {\mathrm{105239}}^1$

素因数の和:105254

約数の個数: 24

約数和(自身を含む): 39780720

約数和(自身を除く): 22942480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 105239, 210478, 420956, 526195, 841912, 1052390, 1683824, 2104780, 3367648, 4209560, 8419120, 16838240]

約数ペア:

[(1, 16838240), (2, 8419120), (4, 4209560), (5, 3367648), (8, 2104780), (10, 1683824), (16, 1052390), (20, 841912), (32, 526195), (40, 420956), (80, 210478), (160, 105239)]