426751520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1258

約数の個数: 96

約数和(自身を含む): 1092268800

約数和(自身を除く): 665517280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 199, 208, 260, 398, 416, 520, 796, 995, 1031, 1040, 1592, 1990, 2062, 2080, 2587, 3184, 3980, 4124, 5155, 5174, 6368, 7960, 8248, 10310, 10348, 12935, 13403, 15920, 16496, 20620, 20696, 25870, 26806, 31840, 32992, 41240, 41392, 51740, 53612, 67015, 82480, 82784, 103480, 107224, 134030, 164960, 205169, 206960, 214448, 268060, 410338, 413920, 428896, 536120, 820676, 1025845, 1072240, 1641352, 2051690, 2144480, 2667197, 3282704, 4103380, 5334394, 6565408, 8206760, 10668788, 13335985, 16413520, 21337576, 26671970, 32827040, 42675152, 53343940, 85350304, 106687880, 213375760, 426751520]

約数ペア:

[(1, 426751520), (2, 213375760), (4, 106687880), (5, 85350304), (8, 53343940), (10, 42675152), (13, 32827040), (16, 26671970), (20, 21337576), (26, 16413520), (32, 13335985), (40, 10668788), (52, 8206760), (65, 6565408), (80, 5334394), (104, 4103380), (130, 3282704), (160, 2667197), (199, 2144480), (208, 2051690), (260, 1641352), (398, 1072240), (416, 1025845), (520, 820676), (796, 536120), (995, 428896), (1031, 413920), (1040, 410338), (1592, 268060), (1990, 214448), (2062, 206960), (2080, 205169), (2587, 164960), (3184, 134030), (3980, 107224), (4124, 103480), (5155, 82784), (5174, 82480), (6368, 67015), (7960, 53612), (8248, 51740), (10310, 41392), (10348, 41240), (12935, 32992), (13403, 31840), (15920, 26806), (16496, 25870), (20620, 20696)]