25004480

素因数分解:

$2^6\times 5^1\times {\mathrm{78139}}^1$

素因数の和:78156

約数の個数: 28

約数和(自身を含む): 59542680

約数和(自身を除く): 34538200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 78139, 156278, 312556, 390695, 625112, 781390, 1250224, 1562780, 2500448, 3125560, 5000896, 6251120, 12502240, 25004480]

約数ペア:

[(1, 25004480), (2, 12502240), (4, 6251120), (5, 5000896), (8, 3125560), (10, 2500448), (16, 1562780), (20, 1250224), (32, 781390), (40, 625112), (64, 390695), (80, 312556), (160, 156278), (320, 78139)]