137988520

素因数分解:

$2^3\times 5^1\times {\mathrm{3449713}}^1$

素因数の和:3449724

約数の個数: 16

約数和(自身を含む): 310474260

約数和(自身を除く): 172485740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3449713, 6899426, 13798852, 17248565, 27597704, 34497130, 68994260, 137988520]

約数ペア:

[(1, 137988520), (2, 68994260), (4, 34497130), (5, 27597704), (8, 17248565), (10, 13798852), (20, 6899426), (40, 3449713)]