40008215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 52572240

約数和(自身を除く): 12564025

約数列:

[1, 5, 13, 65, 113, 169, 419, 565, 845, 1469, 2095, 5447, 7345, 19097, 27235, 47347, 70811, 95485, 236735, 354055, 615511, 3077555, 8001643, 40008215]

約数ペア:

[(1, 40008215), (5, 8001643), (13, 3077555), (65, 615511), (113, 354055), (169, 236735), (419, 95485), (565, 70811), (845, 47347), (1469, 27235), (2095, 19097), (5447, 7345)]