157408049180

素因数分解:

$2^2\times 5^1\times {\mathrm{7870402459}}^1$

素因数の和:7870402468

約数の個数: 12

約数和(自身を含む): 330556903320

約数和(自身を除く): 173148854140

約数列:

[1, 2, 4, 5, 10, 20, 7870402459, 15740804918, 31481609836, 39352012295, 78704024590, 157408049180]

約数ペア:

[(1, 157408049180), (2, 78704024590), (4, 39352012295), (5, 31481609836), (10, 15740804918), (20, 7870402459)]