28651400

素因数分解:

$2^3\times 5^2\times {\mathrm{143257}}^1$

素因数の和:143273

約数の個数: 24

約数和(自身を含む): 66614970

約数和(自身を除く): 37963570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 143257, 286514, 573028, 716285, 1146056, 1432570, 2865140, 3581425, 5730280, 7162850, 14325700, 28651400]

約数ペア:

[(1, 28651400), (2, 14325700), (4, 7162850), (5, 5730280), (8, 3581425), (10, 2865140), (20, 1432570), (25, 1146056), (40, 716285), (50, 573028), (100, 286514), (200, 143257)]