40393490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{51131}}^1$

素因数の和:51217

約数の個数: 16

約数和(自身を含む): 73630080

約数和(自身を除く): 33236590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 51131, 102262, 255655, 511310, 4039349, 8078698, 20196745, 40393490]

約数ペア:

[(1, 40393490), (2, 20196745), (5, 8078698), (10, 4039349), (79, 511310), (158, 255655), (395, 102262), (790, 51131)]