25983280

素因数分解:

$2^4\times 5^1\times {\mathrm{324791}}^1$

素因数の和:324804

約数の個数: 20

約数和(自身を含む): 60411312

約数和(自身を除く): 34428032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 324791, 649582, 1299164, 1623955, 2598328, 3247910, 5196656, 6495820, 12991640, 25983280]

約数ペア:

[(1, 25983280), (2, 12991640), (4, 6495820), (5, 5196656), (8, 3247910), (10, 2598328), (16, 1623955), (20, 1299164), (40, 649582), (80, 324791)]