26431240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 67415040

約数和(自身を除く): 40983800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 121, 127, 172, 215, 220, 242, 254, 344, 430, 440, 473, 484, 508, 605, 635, 860, 946, 968, 1016, 1210, 1270, 1397, 1720, 1892, 2365, 2420, 2540, 2794, 3784, 4730, 4840, 5080, 5203, 5461, 5588, 6985, 9460, 10406, 10922, 11176, 13970, 15367, 18920, 20812, 21844, 26015, 27305, 27940, 30734, 41624, 43688, 52030, 54610, 55880, 60071, 61468, 76835, 104060, 109220, 120142, 122936, 153670, 208120, 218440, 240284, 300355, 307340, 480568, 600710, 614680, 660781, 1201420, 1321562, 2402840, 2643124, 3303905, 5286248, 6607810, 13215620, 26431240]

約数ペア:

[(1, 26431240), (2, 13215620), (4, 6607810), (5, 5286248), (8, 3303905), (10, 2643124), (11, 2402840), (20, 1321562), (22, 1201420), (40, 660781), (43, 614680), (44, 600710), (55, 480568), (86, 307340), (88, 300355), (110, 240284), (121, 218440), (127, 208120), (172, 153670), (215, 122936), (220, 120142), (242, 109220), (254, 104060), (344, 76835), (430, 61468), (440, 60071), (473, 55880), (484, 54610), (508, 52030), (605, 43688), (635, 41624), (860, 30734), (946, 27940), (968, 27305), (1016, 26015), (1210, 21844), (1270, 20812), (1397, 18920), (1720, 15367), (1892, 13970), (2365, 11176), (2420, 10922), (2540, 10406), (2794, 9460), (3784, 6985), (4730, 5588), (4840, 5461), (5080, 5203)]