39693875

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{1879}}^1$

素因数の和:1920

約数の個数: 24

約数和(自身を含む): 53670240

約数和(自身を除く): 13976365

約数列:

[1, 5, 13, 25, 65, 125, 169, 325, 845, 1625, 1879, 4225, 9395, 21125, 24427, 46975, 122135, 234875, 317551, 610675, 1587755, 3053375, 7938775, 39693875]

約数ペア:

[(1, 39693875), (5, 7938775), (13, 3053375), (25, 1587755), (65, 610675), (125, 317551), (169, 234875), (325, 122135), (845, 46975), (1625, 24427), (1879, 21125), (4225, 9395)]