54251420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{159563}}^1$

素因数の和:159589

約数の個数: 24

約数和(自身を含む): 120630384

約数和(自身を除く): 66378964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 159563, 319126, 638252, 797815, 1595630, 2712571, 3191260, 5425142, 10850284, 13562855, 27125710, 54251420]

約数ペア:

[(1, 54251420), (2, 27125710), (4, 13562855), (5, 10850284), (10, 5425142), (17, 3191260), (20, 2712571), (34, 1595630), (68, 797815), (85, 638252), (170, 319126), (340, 159563)]