40231376

素因数分解:

$2^4\times {\mathrm{499}}^1\times {\mathrm{5039}}^1$

素因数の和:5546

約数の個数: 20

約数和(自身を含む): 78120000

約数和(自身を除く): 37888624

約数列:

[1, 2, 4, 8, 16, 499, 998, 1996, 3992, 5039, 7984, 10078, 20156, 40312, 80624, 2514461, 5028922, 10057844, 20115688, 40231376]

約数ペア:

[(1, 40231376), (2, 20115688), (4, 10057844), (8, 5028922), (16, 2514461), (499, 80624), (998, 40312), (1996, 20156), (3992, 10078), (5039, 7984)]