1540802020

素因数分解:

$2^2\times 5^1\times {\mathrm{77040101}}^1$

素因数の和:77040110

約数の個数: 12

約数和(自身を含む): 3235684284

約数和(自身を除く): 1694882264

約数列:

[1, 2, 4, 5, 10, 20, 77040101, 154080202, 308160404, 385200505, 770401010, 1540802020]

約数ペア:

[(1, 1540802020), (2, 770401010), (4, 385200505), (5, 308160404), (10, 154080202), (20, 77040101)]