28131130

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{4013}}^1$

素因数の和:4721

約数の個数: 16

約数和(自身を含む): 50720904

約数和(自身を除く): 22589774

約数列:

[1, 2, 5, 10, 701, 1402, 3505, 4013, 7010, 8026, 20065, 40130, 2813113, 5626226, 14065565, 28131130]

約数ペア:

[(1, 28131130), (2, 14065565), (5, 5626226), (10, 2813113), (701, 40130), (1402, 20065), (3505, 8026), (4013, 7010)]