18133400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 42787440

約数和(自身を除く): 24654040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1277, 1420, 1775, 2554, 2840, 3550, 5108, 6385, 7100, 10216, 12770, 14200, 25540, 31925, 51080, 63850, 90667, 127700, 181334, 255400, 362668, 453335, 725336, 906670, 1813340, 2266675, 3626680, 4533350, 9066700, 18133400]

約数ペア:

[(1, 18133400), (2, 9066700), (4, 4533350), (5, 3626680), (8, 2266675), (10, 1813340), (20, 906670), (25, 725336), (40, 453335), (50, 362668), (71, 255400), (100, 181334), (142, 127700), (200, 90667), (284, 63850), (355, 51080), (568, 31925), (710, 25540), (1277, 14200), (1420, 12770), (1775, 10216), (2554, 7100), (2840, 6385), (3550, 5108)]