28891840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 112

約数和(自身を含む): 75053952

約数和(自身を除く): 46162112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 113, 136, 160, 170, 188, 226, 235, 272, 320, 340, 376, 452, 470, 544, 565, 680, 752, 799, 904, 940, 1088, 1130, 1360, 1504, 1598, 1808, 1880, 1921, 2260, 2720, 3008, 3196, 3616, 3760, 3842, 3995, 4520, 5311, 5440, 6392, 7232, 7520, 7684, 7990, 9040, 9605, 10622, 12784, 15040, 15368, 15980, 18080, 19210, 21244, 25568, 26555, 30736, 31960, 36160, 38420, 42488, 51136, 53110, 61472, 63920, 76840, 84976, 90287, 106220, 122944, 127840, 153680, 169952, 180574, 212440, 255680, 307360, 339904, 361148, 424880, 451435, 614720, 722296, 849760, 902870, 1444592, 1699520, 1805740, 2889184, 3611480, 5778368, 7222960, 14445920, 28891840]

約数ペア:

[(1, 28891840), (2, 14445920), (4, 7222960), (5, 5778368), (8, 3611480), (10, 2889184), (16, 1805740), (17, 1699520), (20, 1444592), (32, 902870), (34, 849760), (40, 722296), (47, 614720), (64, 451435), (68, 424880), (80, 361148), (85, 339904), (94, 307360), (113, 255680), (136, 212440), (160, 180574), (170, 169952), (188, 153680), (226, 127840), (235, 122944), (272, 106220), (320, 90287), (340, 84976), (376, 76840), (452, 63920), (470, 61472), (544, 53110), (565, 51136), (680, 42488), (752, 38420), (799, 36160), (904, 31960), (940, 30736), (1088, 26555), (1130, 25568), (1360, 21244), (1504, 19210), (1598, 18080), (1808, 15980), (1880, 15368), (1921, 15040), (2260, 12784), (2720, 10622), (3008, 9605), (3196, 9040), (3616, 7990), (3760, 7684), (3842, 7520), (3995, 7232), (4520, 6392), (5311, 5440)]