80874080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 96

約数和(自身を含む): 220195584

約数和(自身を除く): 139321504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 163, 224, 280, 326, 443, 560, 652, 815, 886, 1120, 1141, 1304, 1630, 1772, 2215, 2282, 2608, 3101, 3260, 3544, 4430, 4564, 5216, 5705, 6202, 6520, 7088, 8860, 9128, 11410, 12404, 13040, 14176, 15505, 17720, 18256, 22820, 24808, 26080, 31010, 35440, 36512, 45640, 49616, 62020, 70880, 72209, 91280, 99232, 124040, 144418, 182560, 248080, 288836, 361045, 496160, 505463, 577672, 722090, 1010926, 1155344, 1444180, 2021852, 2310688, 2527315, 2888360, 4043704, 5054630, 5776720, 8087408, 10109260, 11553440, 16174816, 20218520, 40437040, 80874080]

約数ペア:

[(1, 80874080), (2, 40437040), (4, 20218520), (5, 16174816), (7, 11553440), (8, 10109260), (10, 8087408), (14, 5776720), (16, 5054630), (20, 4043704), (28, 2888360), (32, 2527315), (35, 2310688), (40, 2021852), (56, 1444180), (70, 1155344), (80, 1010926), (112, 722090), (140, 577672), (160, 505463), (163, 496160), (224, 361045), (280, 288836), (326, 248080), (443, 182560), (560, 144418), (652, 124040), (815, 99232), (886, 91280), (1120, 72209), (1141, 70880), (1304, 62020), (1630, 49616), (1772, 45640), (2215, 36512), (2282, 35440), (2608, 31010), (3101, 26080), (3260, 24808), (3544, 22820), (4430, 18256), (4564, 17720), (5216, 15505), (5705, 14176), (6202, 13040), (6520, 12404), (7088, 11410), (8860, 9128)]