19847500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:508

約数の個数: 60

約数和(自身を含む): 46054008

約数和(自身を除く): 26206508

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 467, 500, 625, 850, 934, 1250, 1700, 1868, 2125, 2335, 2500, 4250, 4670, 7939, 8500, 9340, 10625, 11675, 15878, 21250, 23350, 31756, 39695, 42500, 46700, 58375, 79390, 116750, 158780, 198475, 233500, 291875, 396950, 583750, 793900, 992375, 1167500, 1984750, 3969500, 4961875, 9923750, 19847500]

約数ペア:

[(1, 19847500), (2, 9923750), (4, 4961875), (5, 3969500), (10, 1984750), (17, 1167500), (20, 992375), (25, 793900), (34, 583750), (50, 396950), (68, 291875), (85, 233500), (100, 198475), (125, 158780), (170, 116750), (250, 79390), (340, 58375), (425, 46700), (467, 42500), (500, 39695), (625, 31756), (850, 23350), (934, 21250), (1250, 15878), (1700, 11675), (1868, 10625), (2125, 9340), (2335, 8500), (2500, 7939), (4250, 4670)]