2577340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4157}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 5588352

約数和(自身を除く): 3011012

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4157, 8314, 16628, 20785, 41570, 83140, 128867, 257734, 515468, 644335, 1288670, 2577340]

約数ペア:

[(1, 2577340), (2, 1288670), (4, 644335), (5, 515468), (10, 257734), (20, 128867), (31, 83140), (62, 41570), (124, 20785), (155, 16628), (310, 8314), (620, 4157)]