55540360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81677}}^1$

素因数の和:81705

約数の個数: 32

約数和(自身を含む): 132318360

約数和(自身を除く): 76778000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81677, 163354, 326708, 408385, 653416, 816770, 1388509, 1633540, 2777018, 3267080, 5554036, 6942545, 11108072, 13885090, 27770180, 55540360]

約数ペア:

[(1, 55540360), (2, 27770180), (4, 13885090), (5, 11108072), (8, 6942545), (10, 5554036), (17, 3267080), (20, 2777018), (34, 1633540), (40, 1388509), (68, 816770), (85, 653416), (136, 408385), (170, 326708), (340, 163354), (680, 81677)]