2520445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 3263040

約数和(自身を除く): 742595

約数列:

[1, 5, 19, 43, 95, 215, 617, 817, 3085, 4085, 11723, 26531, 58615, 132655, 504089, 2520445]

約数ペア:

[(1, 2520445), (5, 504089), (19, 132655), (43, 58615), (95, 26531), (215, 11723), (617, 4085), (817, 3085)]