156940050440

素因数分解:

$2^3\times 5^1\times {\mathrm{3923501261}}^1$

素因数の和:3923501272

約数の個数: 16

約数和(自身を含む): 353115113580

約数和(自身を除く): 196175063140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3923501261, 7847002522, 15694005044, 19617506305, 31388010088, 39235012610, 78470025220, 156940050440]

約数ペア:

[(1, 156940050440), (2, 78470025220), (4, 39235012610), (5, 31388010088), (8, 19617506305), (10, 15694005044), (20, 7847002522), (40, 3923501261)]