26393840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 67897440

約数和(自身を除く): 41503600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 337, 356, 440, 445, 674, 712, 880, 890, 979, 1348, 1424, 1685, 1780, 1958, 2696, 3370, 3560, 3707, 3916, 4895, 5392, 6740, 7120, 7414, 7832, 9790, 13480, 14828, 15664, 18535, 19580, 26960, 29656, 29993, 37070, 39160, 59312, 59986, 74140, 78320, 119972, 148280, 149965, 239944, 296560, 299930, 329923, 479888, 599860, 659846, 1199720, 1319692, 1649615, 2399440, 2639384, 3299230, 5278768, 6598460, 13196920, 26393840]

約数ペア:

[(1, 26393840), (2, 13196920), (4, 6598460), (5, 5278768), (8, 3299230), (10, 2639384), (11, 2399440), (16, 1649615), (20, 1319692), (22, 1199720), (40, 659846), (44, 599860), (55, 479888), (80, 329923), (88, 299930), (89, 296560), (110, 239944), (176, 149965), (178, 148280), (220, 119972), (337, 78320), (356, 74140), (440, 59986), (445, 59312), (674, 39160), (712, 37070), (880, 29993), (890, 29656), (979, 26960), (1348, 19580), (1424, 18535), (1685, 15664), (1780, 14828), (1958, 13480), (2696, 9790), (3370, 7832), (3560, 7414), (3707, 7120), (3916, 6740), (4895, 5392)]