13321250

素因数分解:

$2^1\times 5^4\times {\mathrm{10657}}^1$

素因数の和:10679

約数の個数: 20

約数和(自身を含む): 24971694

約数和(自身を除く): 11650444

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 10657, 21314, 53285, 106570, 266425, 532850, 1332125, 2664250, 6660625, 13321250]

約数ペア:

[(1, 13321250), (2, 6660625), (5, 2664250), (10, 1332125), (25, 532850), (50, 266425), (125, 106570), (250, 53285), (625, 21314), (1250, 10657)]