81484100

素因数分解:

$2^2\times 5^2\times {\mathrm{814841}}^1$

素因数の和:814855

約数の個数: 18

約数和(自身を含む): 176820714

約数和(自身を除く): 95336614

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 814841, 1629682, 3259364, 4074205, 8148410, 16296820, 20371025, 40742050, 81484100]

約数ペア:

[(1, 81484100), (2, 40742050), (4, 20371025), (5, 16296820), (10, 8148410), (20, 4074205), (25, 3259364), (50, 1629682), (100, 814841)]