155894120

素因数分解:

$2^3\times 5^1\times {\mathrm{3897353}}^1$

素因数の和:3897364

約数の個数: 16

約数和(自身を含む): 350761860

約数和(自身を除く): 194867740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3897353, 7794706, 15589412, 19486765, 31178824, 38973530, 77947060, 155894120]

約数ペア:

[(1, 155894120), (2, 77947060), (4, 38973530), (5, 31178824), (8, 19486765), (10, 15589412), (20, 7794706), (40, 3897353)]