28365440

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 45662080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 47, 64, 80, 82, 92, 94, 115, 128, 160, 164, 184, 188, 205, 230, 235, 320, 328, 368, 376, 410, 460, 470, 640, 656, 736, 752, 820, 920, 940, 943, 1081, 1312, 1472, 1504, 1640, 1840, 1880, 1886, 1927, 2162, 2624, 2944, 3008, 3280, 3680, 3760, 3772, 3854, 4324, 4715, 5248, 5405, 6016, 6560, 7360, 7520, 7544, 7708, 8648, 9430, 9635, 10810, 13120, 14720, 15040, 15088, 15416, 17296, 18860, 19270, 21620, 26240, 30080, 30176, 30832, 34592, 37720, 38540, 43240, 44321, 60352, 61664, 69184, 75440, 77080, 86480, 88642, 120704, 123328, 138368, 150880, 154160, 172960, 177284, 221605, 246656, 301760, 308320, 345920, 354568, 443210, 603520, 616640, 691840, 709136, 886420, 1233280, 1418272, 1772840, 2836544, 3545680, 5673088, 7091360, 14182720, 28365440]

約数ペア:

[(1, 28365440), (2, 14182720), (4, 7091360), (5, 5673088), (8, 3545680), (10, 2836544), (16, 1772840), (20, 1418272), (23, 1233280), (32, 886420), (40, 709136), (41, 691840), (46, 616640), (47, 603520), (64, 443210), (80, 354568), (82, 345920), (92, 308320), (94, 301760), (115, 246656), (128, 221605), (160, 177284), (164, 172960), (184, 154160), (188, 150880), (205, 138368), (230, 123328), (235, 120704), (320, 88642), (328, 86480), (368, 77080), (376, 75440), (410, 69184), (460, 61664), (470, 60352), (640, 44321), (656, 43240), (736, 38540), (752, 37720), (820, 34592), (920, 30832), (940, 30176), (943, 30080), (1081, 26240), (1312, 21620), (1472, 19270), (1504, 18860), (1640, 17296), (1840, 15416), (1880, 15088), (1886, 15040), (1927, 14720), (2162, 13120), (2624, 10810), (2944, 9635), (3008, 9430), (3280, 8648), (3680, 7708), (3760, 7544), (3772, 7520), (3854, 7360), (4324, 6560), (4715, 6016), (5248, 5405)]