9903680

素因数分解:

$2^6\times 5^1\times {\mathrm{30949}}^1$

素因数の和:30966

約数の個数: 28

約数和(自身を含む): 23583900

約数和(自身を除く): 13680220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 30949, 61898, 123796, 154745, 247592, 309490, 495184, 618980, 990368, 1237960, 1980736, 2475920, 4951840, 9903680]

約数ペア:

[(1, 9903680), (2, 4951840), (4, 2475920), (5, 1980736), (8, 1237960), (10, 990368), (16, 618980), (20, 495184), (32, 309490), (40, 247592), (64, 154745), (80, 123796), (160, 61898), (320, 30949)]