40526780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289477}}^1$

素因数の和:289493

約数の個数: 24

約数和(自身を含む): 97264608

約数和(自身を除く): 56737828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289477, 578954, 1157908, 1447385, 2026339, 2894770, 4052678, 5789540, 8105356, 10131695, 20263390, 40526780]

約数ペア:

[(1, 40526780), (2, 20263390), (4, 10131695), (5, 8105356), (7, 5789540), (10, 4052678), (14, 2894770), (20, 2026339), (28, 1447385), (35, 1157908), (70, 578954), (140, 289477)]