158942480

素因数分解:

$2^4\times 5^1\times {\mathrm{1986781}}^1$

素因数の和:1986794

約数の個数: 20

約数和(自身を含む): 369541452

約数和(自身を除く): 210598972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1986781, 3973562, 7947124, 9933905, 15894248, 19867810, 31788496, 39735620, 79471240, 158942480]

約数ペア:

[(1, 158942480), (2, 79471240), (4, 39735620), (5, 31788496), (8, 19867810), (10, 15894248), (16, 9933905), (20, 7947124), (40, 3973562), (80, 1986781)]