40260490

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17581}}^1$

素因数の和:17817

約数の個数: 16

約数和(自身を含む): 72789480

約数和(自身を除く): 32528990

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 17581, 35162, 87905, 175810, 4026049, 8052098, 20130245, 40260490]

約数ペア:

[(1, 40260490), (2, 20130245), (5, 8052098), (10, 4026049), (229, 175810), (458, 87905), (1145, 35162), (2290, 17581)]