85721870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{50723}}^1$

素因数の和:50756

約数の個数: 24

約数和(自身を含む): 167084856

約数和(自身を除く): 81362986

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 50723, 101446, 253615, 507230, 659399, 1318798, 3296995, 6593990, 8572187, 17144374, 42860935, 85721870]

約数ペア:

[(1, 85721870), (2, 42860935), (5, 17144374), (10, 8572187), (13, 6593990), (26, 3296995), (65, 1318798), (130, 659399), (169, 507230), (338, 253615), (845, 101446), (1690, 50723)]