40848280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 109486080

約数和(自身を除く): 68637800

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 43, 44, 55, 68, 85, 86, 88, 110, 127, 136, 170, 172, 187, 215, 220, 254, 340, 344, 374, 430, 440, 473, 508, 635, 680, 731, 748, 860, 935, 946, 1016, 1270, 1397, 1462, 1496, 1720, 1870, 1892, 2159, 2365, 2540, 2794, 2924, 3655, 3740, 3784, 4318, 4730, 5080, 5461, 5588, 5848, 6985, 7310, 7480, 8041, 8636, 9460, 10795, 10922, 11176, 13970, 14620, 16082, 17272, 18920, 21590, 21844, 23749, 27305, 27940, 29240, 32164, 40205, 43180, 43688, 47498, 54610, 55880, 60071, 64328, 80410, 86360, 92837, 94996, 109220, 118745, 120142, 160820, 185674, 189992, 218440, 237490, 240284, 300355, 321640, 371348, 464185, 474980, 480568, 600710, 742696, 928370, 949960, 1021207, 1201420, 1856740, 2042414, 2402840, 3713480, 4084828, 5106035, 8169656, 10212070, 20424140, 40848280]

約数ペア:

[(1, 40848280), (2, 20424140), (4, 10212070), (5, 8169656), (8, 5106035), (10, 4084828), (11, 3713480), (17, 2402840), (20, 2042414), (22, 1856740), (34, 1201420), (40, 1021207), (43, 949960), (44, 928370), (55, 742696), (68, 600710), (85, 480568), (86, 474980), (88, 464185), (110, 371348), (127, 321640), (136, 300355), (170, 240284), (172, 237490), (187, 218440), (215, 189992), (220, 185674), (254, 160820), (340, 120142), (344, 118745), (374, 109220), (430, 94996), (440, 92837), (473, 86360), (508, 80410), (635, 64328), (680, 60071), (731, 55880), (748, 54610), (860, 47498), (935, 43688), (946, 43180), (1016, 40205), (1270, 32164), (1397, 29240), (1462, 27940), (1496, 27305), (1720, 23749), (1870, 21844), (1892, 21590), (2159, 18920), (2365, 17272), (2540, 16082), (2794, 14620), (2924, 13970), (3655, 11176), (3740, 10922), (3784, 10795), (4318, 9460), (4730, 8636), (5080, 8041), (5461, 7480), (5588, 7310), (5848, 6985)]