1610320

素因数分解:

$2^4\times 5^1\times {\mathrm{20129}}^1$

素因数の和:20142

約数の個数: 20

約数和(自身を含む): 3744180

約数和(自身を除く): 2133860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20129, 40258, 80516, 100645, 161032, 201290, 322064, 402580, 805160, 1610320]

約数ペア:

[(1, 1610320), (2, 805160), (4, 402580), (5, 322064), (8, 201290), (10, 161032), (16, 100645), (20, 80516), (40, 40258), (80, 20129)]