828193160

素因数分解:

$2^3\times 5^1\times {\mathrm{20704829}}^1$

素因数の和:20704840

約数の個数: 16

約数和(自身を含む): 1863434700

約数和(自身を除く): 1035241540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20704829, 41409658, 82819316, 103524145, 165638632, 207048290, 414096580, 828193160]

約数ペア:

[(1, 828193160), (2, 414096580), (4, 207048290), (5, 165638632), (8, 103524145), (10, 82819316), (20, 41409658), (40, 20704829)]