24312500

素因数分解:

$2^2\times 5^6\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 42

約数和(自身を含む): 53319630

約数和(自身を除く): 29007130

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 389, 500, 625, 778, 1250, 1556, 1945, 2500, 3125, 3890, 6250, 7780, 9725, 12500, 15625, 19450, 31250, 38900, 48625, 62500, 97250, 194500, 243125, 486250, 972500, 1215625, 2431250, 4862500, 6078125, 12156250, 24312500]

約数ペア:

[(1, 24312500), (2, 12156250), (4, 6078125), (5, 4862500), (10, 2431250), (20, 1215625), (25, 972500), (50, 486250), (100, 243125), (125, 194500), (250, 97250), (389, 62500), (500, 48625), (625, 38900), (778, 31250), (1250, 19450), (1556, 15625), (1945, 12500), (2500, 9725), (3125, 7780), (3890, 6250)]