39928525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17551}}^1$

素因数の和:17581

約数の個数: 24

約数和(自身を含む): 60940544

約数和(自身を除く): 21012019

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 17551, 87755, 122857, 228163, 438775, 614285, 1140815, 1597141, 3071425, 5704075, 7985705, 39928525]

約数ペア:

[(1, 39928525), (5, 7985705), (7, 5704075), (13, 3071425), (25, 1597141), (35, 1140815), (65, 614285), (91, 438775), (175, 228163), (325, 122857), (455, 87755), (2275, 17551)]