27599440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 71066880

約数和(自身を除く): 43467440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 397, 440, 632, 790, 794, 869, 880, 1264, 1580, 1588, 1738, 1985, 3160, 3176, 3476, 3970, 4345, 4367, 6320, 6352, 6952, 7940, 8690, 8734, 13904, 15880, 17380, 17468, 21835, 31363, 31760, 34760, 34936, 43670, 62726, 69520, 69872, 87340, 125452, 156815, 174680, 250904, 313630, 344993, 349360, 501808, 627260, 689986, 1254520, 1379972, 1724965, 2509040, 2759944, 3449930, 5519888, 6899860, 13799720, 27599440]

約数ペア:

[(1, 27599440), (2, 13799720), (4, 6899860), (5, 5519888), (8, 3449930), (10, 2759944), (11, 2509040), (16, 1724965), (20, 1379972), (22, 1254520), (40, 689986), (44, 627260), (55, 501808), (79, 349360), (80, 344993), (88, 313630), (110, 250904), (158, 174680), (176, 156815), (220, 125452), (316, 87340), (395, 69872), (397, 69520), (440, 62726), (632, 43670), (790, 34936), (794, 34760), (869, 31760), (880, 31363), (1264, 21835), (1580, 17468), (1588, 17380), (1738, 15880), (1985, 13904), (3160, 8734), (3176, 8690), (3476, 7940), (3970, 6952), (4345, 6352), (4367, 6320)]