87485215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{40039}}^1$

素因数の和:40086

約数の個数: 16

約数和(自身を含む): 115315200

約数和(自身を除く): 27829985

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 40039, 200195, 760741, 920897, 3803705, 4604485, 17497043, 87485215]

約数ペア:

[(1, 87485215), (5, 17497043), (19, 4604485), (23, 3803705), (95, 920897), (115, 760741), (437, 200195), (2185, 40039)]