47318920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 123742080

約数和(自身を除く): 76423160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 43, 44, 55, 61, 82, 86, 88, 110, 122, 164, 172, 205, 215, 220, 244, 305, 328, 344, 410, 430, 440, 451, 473, 488, 610, 671, 820, 860, 902, 946, 1220, 1342, 1640, 1720, 1763, 1804, 1892, 2255, 2365, 2440, 2501, 2623, 2684, 3355, 3526, 3608, 3784, 4510, 4730, 5002, 5246, 5368, 6710, 7052, 8815, 9020, 9460, 10004, 10492, 12505, 13115, 13420, 14104, 17630, 18040, 18920, 19393, 20008, 20984, 25010, 26230, 26840, 27511, 28853, 35260, 38786, 50020, 52460, 55022, 57706, 70520, 77572, 96965, 100040, 104920, 107543, 110044, 115412, 137555, 144265, 155144, 193930, 215086, 220088, 230824, 275110, 288530, 387860, 430172, 537715, 550220, 577060, 775720, 860344, 1075430, 1100440, 1154120, 1182973, 2150860, 2365946, 4301720, 4731892, 5914865, 9463784, 11829730, 23659460, 47318920]

約数ペア:

[(1, 47318920), (2, 23659460), (4, 11829730), (5, 9463784), (8, 5914865), (10, 4731892), (11, 4301720), (20, 2365946), (22, 2150860), (40, 1182973), (41, 1154120), (43, 1100440), (44, 1075430), (55, 860344), (61, 775720), (82, 577060), (86, 550220), (88, 537715), (110, 430172), (122, 387860), (164, 288530), (172, 275110), (205, 230824), (215, 220088), (220, 215086), (244, 193930), (305, 155144), (328, 144265), (344, 137555), (410, 115412), (430, 110044), (440, 107543), (451, 104920), (473, 100040), (488, 96965), (610, 77572), (671, 70520), (820, 57706), (860, 55022), (902, 52460), (946, 50020), (1220, 38786), (1342, 35260), (1640, 28853), (1720, 27511), (1763, 26840), (1804, 26230), (1892, 25010), (2255, 20984), (2365, 20008), (2440, 19393), (2501, 18920), (2623, 18040), (2684, 17630), (3355, 14104), (3526, 13420), (3608, 13115), (3784, 12505), (4510, 10492), (4730, 10004), (5002, 9460), (5246, 9020), (5368, 8815), (6710, 7052)]