64863760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1400

約数の個数: 80

約数和(自身を含む): 165989376

約数和(自身を除く): 101125616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1327, 1880, 2444, 2654, 3055, 3760, 4888, 5308, 6110, 6635, 9776, 10616, 12220, 13270, 17251, 21232, 24440, 26540, 34502, 48880, 53080, 62369, 69004, 86255, 106160, 124738, 138008, 172510, 249476, 276016, 311845, 345020, 498952, 623690, 690040, 810797, 997904, 1247380, 1380080, 1621594, 2494760, 3243188, 4053985, 4989520, 6486376, 8107970, 12972752, 16215940, 32431880, 64863760]

約数ペア:

[(1, 64863760), (2, 32431880), (4, 16215940), (5, 12972752), (8, 8107970), (10, 6486376), (13, 4989520), (16, 4053985), (20, 3243188), (26, 2494760), (40, 1621594), (47, 1380080), (52, 1247380), (65, 997904), (80, 810797), (94, 690040), (104, 623690), (130, 498952), (188, 345020), (208, 311845), (235, 276016), (260, 249476), (376, 172510), (470, 138008), (520, 124738), (611, 106160), (752, 86255), (940, 69004), (1040, 62369), (1222, 53080), (1327, 48880), (1880, 34502), (2444, 26540), (2654, 24440), (3055, 21232), (3760, 17251), (4888, 13270), (5308, 12220), (6110, 10616), (6635, 9776)]