16880560

素因数分解:

$2^4\times 5^1\times {\mathrm{211007}}^1$

素因数の和:211020

約数の個数: 20

約数和(自身を含む): 39247488

約数和(自身を除く): 22366928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211007, 422014, 844028, 1055035, 1688056, 2110070, 3376112, 4220140, 8440280, 16880560]

約数ペア:

[(1, 16880560), (2, 8440280), (4, 4220140), (5, 3376112), (8, 2110070), (10, 1688056), (16, 1055035), (20, 844028), (40, 422014), (80, 211007)]