40260854

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1391

約数の個数: 16

約数和(自身を含む): 61628496

約数和(自身を除く): 21367642

約数列:

[1, 2, 61, 122, 331, 662, 997, 1994, 20191, 40382, 60817, 121634, 330007, 660014, 20130427, 40260854]

約数ペア:

[(1, 40260854), (2, 20130427), (61, 660014), (122, 330007), (331, 121634), (662, 60817), (997, 40382), (1994, 20191)]