28243040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 77220864

約数和(自身を除く): 48977824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 151, 160, 167, 224, 280, 302, 334, 560, 604, 668, 755, 835, 1057, 1120, 1169, 1208, 1336, 1510, 1670, 2114, 2338, 2416, 2672, 3020, 3340, 4228, 4676, 4832, 5285, 5344, 5845, 6040, 6680, 8456, 9352, 10570, 11690, 12080, 13360, 16912, 18704, 21140, 23380, 24160, 25217, 26720, 33824, 37408, 42280, 46760, 50434, 84560, 93520, 100868, 126085, 169120, 176519, 187040, 201736, 252170, 353038, 403472, 504340, 706076, 806944, 882595, 1008680, 1412152, 1765190, 2017360, 2824304, 3530380, 4034720, 5648608, 7060760, 14121520, 28243040]

約数ペア:

[(1, 28243040), (2, 14121520), (4, 7060760), (5, 5648608), (7, 4034720), (8, 3530380), (10, 2824304), (14, 2017360), (16, 1765190), (20, 1412152), (28, 1008680), (32, 882595), (35, 806944), (40, 706076), (56, 504340), (70, 403472), (80, 353038), (112, 252170), (140, 201736), (151, 187040), (160, 176519), (167, 169120), (224, 126085), (280, 100868), (302, 93520), (334, 84560), (560, 50434), (604, 46760), (668, 42280), (755, 37408), (835, 33824), (1057, 26720), (1120, 25217), (1169, 24160), (1208, 23380), (1336, 21140), (1510, 18704), (1670, 16912), (2114, 13360), (2338, 12080), (2416, 11690), (2672, 10570), (3020, 9352), (3340, 8456), (4228, 6680), (4676, 6040), (4832, 5845), (5285, 5344)]