12806560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 33530112

約数和(自身を除く): 20723552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 131, 160, 188, 208, 235, 260, 262, 376, 416, 470, 520, 524, 611, 655, 752, 940, 1040, 1048, 1222, 1310, 1504, 1703, 1880, 2080, 2096, 2444, 2620, 3055, 3406, 3760, 4192, 4888, 5240, 6110, 6157, 6812, 7520, 8515, 9776, 10480, 12220, 12314, 13624, 17030, 19552, 20960, 24440, 24628, 27248, 30785, 34060, 48880, 49256, 54496, 61570, 68120, 80041, 97760, 98512, 123140, 136240, 160082, 197024, 246280, 272480, 320164, 400205, 492560, 640328, 800410, 985120, 1280656, 1600820, 2561312, 3201640, 6403280, 12806560]

約数ペア:

[(1, 12806560), (2, 6403280), (4, 3201640), (5, 2561312), (8, 1600820), (10, 1280656), (13, 985120), (16, 800410), (20, 640328), (26, 492560), (32, 400205), (40, 320164), (47, 272480), (52, 246280), (65, 197024), (80, 160082), (94, 136240), (104, 123140), (130, 98512), (131, 97760), (160, 80041), (188, 68120), (208, 61570), (235, 54496), (260, 49256), (262, 48880), (376, 34060), (416, 30785), (470, 27248), (520, 24628), (524, 24440), (611, 20960), (655, 19552), (752, 17030), (940, 13624), (1040, 12314), (1048, 12220), (1222, 10480), (1310, 9776), (1504, 8515), (1703, 7520), (1880, 6812), (2080, 6157), (2096, 6110), (2444, 5240), (2620, 4888), (3055, 4192), (3406, 3760)]