9140000

素因数分解:

$2^5\times 5^4\times {\mathrm{457}}^1$

素因数の和:487

約数の個数: 60

約数和(自身を含む): 22534974

約数和(自身を除く): 13394974

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 457, 500, 625, 800, 914, 1000, 1250, 1828, 2000, 2285, 2500, 3656, 4000, 4570, 5000, 7312, 9140, 10000, 11425, 14624, 18280, 20000, 22850, 36560, 45700, 57125, 73120, 91400, 114250, 182800, 228500, 285625, 365600, 457000, 571250, 914000, 1142500, 1828000, 2285000, 4570000, 9140000]

約数ペア:

[(1, 9140000), (2, 4570000), (4, 2285000), (5, 1828000), (8, 1142500), (10, 914000), (16, 571250), (20, 457000), (25, 365600), (32, 285625), (40, 228500), (50, 182800), (80, 114250), (100, 91400), (125, 73120), (160, 57125), (200, 45700), (250, 36560), (400, 22850), (457, 20000), (500, 18280), (625, 14624), (800, 11425), (914, 10000), (1000, 9140), (1250, 7312), (1828, 5000), (2000, 4570), (2285, 4000), (2500, 3656)]