63972400

素因数分解:

$2^4\times 5^2\times {\mathrm{159931}}^1$

素因数の和:159949

約数の個数: 30

約数和(自身を含む): 153694652

約数和(自身を除く): 89722252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 159931, 319862, 639724, 799655, 1279448, 1599310, 2558896, 3198620, 3998275, 6397240, 7996550, 12794480, 15993100, 31986200, 63972400]

約数ペア:

[(1, 63972400), (2, 31986200), (4, 15993100), (5, 12794480), (8, 7996550), (10, 6397240), (16, 3998275), (20, 3198620), (25, 2558896), (40, 1599310), (50, 1279448), (80, 799655), (100, 639724), (200, 319862), (400, 159931)]