2800375

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 16

約数和(自身を含む): 3583008

約数和(自身を除く): 782633

約数列:

[1, 5, 25, 43, 125, 215, 521, 1075, 2605, 5375, 13025, 22403, 65125, 112015, 560075, 2800375]

約数ペア:

[(1, 2800375), (5, 560075), (25, 112015), (43, 65125), (125, 22403), (215, 13025), (521, 5375), (1075, 2605)]