172960280

素因数分解:

$2^3\times 5^1\times {\mathrm{4324007}}^1$

素因数の和:4324018

約数の個数: 16

約数和(自身を含む): 389160720

約数和(自身を除く): 216200440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4324007, 8648014, 17296028, 21620035, 34592056, 43240070, 86480140, 172960280]

約数ペア:

[(1, 172960280), (2, 86480140), (4, 43240070), (5, 34592056), (8, 21620035), (10, 17296028), (20, 8648014), (40, 4324007)]