15730280

素因数分解:

$2^3\times 5^1\times {\mathrm{393257}}^1$

素因数の和:393268

約数の個数: 16

約数和(自身を含む): 35393220

約数和(自身を除く): 19662940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 393257, 786514, 1573028, 1966285, 3146056, 3932570, 7865140, 15730280]

約数ペア:

[(1, 15730280), (2, 7865140), (4, 3932570), (5, 3146056), (8, 1966285), (10, 1573028), (20, 786514), (40, 393257)]