2608887640

素因数分解:

$2^3\times 5^1\times {\mathrm{65222191}}^1$

素因数の和:65222202

約数の個数: 16

約数和(自身を含む): 5869997280

約数和(自身を除く): 3261109640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 65222191, 130444382, 260888764, 326110955, 521777528, 652221910, 1304443820, 2608887640]

約数ペア:

[(1, 2608887640), (2, 1304443820), (4, 652221910), (5, 521777528), (8, 326110955), (10, 260888764), (20, 130444382), (40, 65222191)]