28023280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 69102720

約数和(自身を除く): 41079440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 116, 145, 188, 232, 235, 257, 290, 376, 464, 470, 514, 580, 752, 940, 1028, 1160, 1285, 1363, 1880, 2056, 2320, 2570, 2726, 3760, 4112, 5140, 5452, 6815, 7453, 10280, 10904, 12079, 13630, 14906, 20560, 21808, 24158, 27260, 29812, 37265, 48316, 54520, 59624, 60395, 74530, 96632, 109040, 119248, 120790, 149060, 193264, 241580, 298120, 350291, 483160, 596240, 700582, 966320, 1401164, 1751455, 2802328, 3502910, 5604656, 7005820, 14011640, 28023280]

約数ペア:

[(1, 28023280), (2, 14011640), (4, 7005820), (5, 5604656), (8, 3502910), (10, 2802328), (16, 1751455), (20, 1401164), (29, 966320), (40, 700582), (47, 596240), (58, 483160), (80, 350291), (94, 298120), (116, 241580), (145, 193264), (188, 149060), (232, 120790), (235, 119248), (257, 109040), (290, 96632), (376, 74530), (464, 60395), (470, 59624), (514, 54520), (580, 48316), (752, 37265), (940, 29812), (1028, 27260), (1160, 24158), (1285, 21808), (1363, 20560), (1880, 14906), (2056, 13630), (2320, 12079), (2570, 10904), (2726, 10280), (3760, 7453), (4112, 6815), (5140, 5452)]