82979440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:850

約数の個数: 80

約数和(自身を含む): 204094080

約数和(自身を除く): 121114640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 116, 145, 188, 232, 235, 290, 376, 464, 470, 580, 752, 761, 940, 1160, 1363, 1522, 1880, 2320, 2726, 3044, 3760, 3805, 5452, 6088, 6815, 7610, 10904, 12176, 13630, 15220, 21808, 22069, 27260, 30440, 35767, 44138, 54520, 60880, 71534, 88276, 109040, 110345, 143068, 176552, 178835, 220690, 286136, 353104, 357670, 441380, 572272, 715340, 882760, 1037243, 1430680, 1765520, 2074486, 2861360, 4148972, 5186215, 8297944, 10372430, 16595888, 20744860, 41489720, 82979440]

約数ペア:

[(1, 82979440), (2, 41489720), (4, 20744860), (5, 16595888), (8, 10372430), (10, 8297944), (16, 5186215), (20, 4148972), (29, 2861360), (40, 2074486), (47, 1765520), (58, 1430680), (80, 1037243), (94, 882760), (116, 715340), (145, 572272), (188, 441380), (232, 357670), (235, 353104), (290, 286136), (376, 220690), (464, 178835), (470, 176552), (580, 143068), (752, 110345), (761, 109040), (940, 88276), (1160, 71534), (1363, 60880), (1522, 54520), (1880, 44138), (2320, 35767), (2726, 30440), (3044, 27260), (3760, 22069), (3805, 21808), (5452, 15220), (6088, 13630), (6815, 12176), (7610, 10904)]