40481438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{3931}}^1$

素因数の和:4223

約数の個数: 16

約数和(自身を含む): 64170240

約数和(自身を除く): 23688802

約数列:

[1, 2, 19, 38, 271, 542, 3931, 5149, 7862, 10298, 74689, 149378, 1065301, 2130602, 20240719, 40481438]

約数ペア:

[(1, 40481438), (2, 20240719), (19, 2130602), (38, 1065301), (271, 149378), (542, 74689), (3931, 10298), (5149, 7862)]