71805620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211193}}^1$

素因数の和:211219

約数の個数: 24

約数和(自身を含む): 159662664

約数和(自身を除く): 87857044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 211193, 422386, 844772, 1055965, 2111930, 3590281, 4223860, 7180562, 14361124, 17951405, 35902810, 71805620]

約数ペア:

[(1, 71805620), (2, 35902810), (4, 17951405), (5, 14361124), (10, 7180562), (17, 4223860), (20, 3590281), (34, 2111930), (68, 1055965), (85, 844772), (170, 422386), (340, 211193)]