40920278

素因数分解:

$2^1\times 7^1\times {\mathrm{1471}}^1\times {\mathrm{1987}}^1$

素因数の和:3467

約数の個数: 16

約数和(自身を含む): 70232064

約数和(自身を除く): 29311786

約数列:

[1, 2, 7, 14, 1471, 1987, 2942, 3974, 10297, 13909, 20594, 27818, 2922877, 5845754, 20460139, 40920278]

約数ペア:

[(1, 40920278), (2, 20460139), (7, 5845754), (14, 2922877), (1471, 27818), (1987, 20594), (2942, 13909), (3974, 10297)]