8500240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 23177088

約数和(自身を除く): 14676848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 353, 430, 560, 602, 688, 706, 860, 1204, 1412, 1505, 1720, 1765, 2408, 2471, 2824, 3010, 3440, 3530, 4816, 4942, 5648, 6020, 7060, 9884, 12040, 12355, 14120, 15179, 19768, 24080, 24710, 28240, 30358, 39536, 49420, 60716, 75895, 98840, 106253, 121432, 151790, 197680, 212506, 242864, 303580, 425012, 531265, 607160, 850024, 1062530, 1214320, 1700048, 2125060, 4250120, 8500240]

約数ペア:

[(1, 8500240), (2, 4250120), (4, 2125060), (5, 1700048), (7, 1214320), (8, 1062530), (10, 850024), (14, 607160), (16, 531265), (20, 425012), (28, 303580), (35, 242864), (40, 212506), (43, 197680), (56, 151790), (70, 121432), (80, 106253), (86, 98840), (112, 75895), (140, 60716), (172, 49420), (215, 39536), (280, 30358), (301, 28240), (344, 24710), (353, 24080), (430, 19768), (560, 15179), (602, 14120), (688, 12355), (706, 12040), (860, 9884), (1204, 7060), (1412, 6020), (1505, 5648), (1720, 4942), (1765, 4816), (2408, 3530), (2471, 3440), (2824, 3010)]