40384095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 32606625

約数列:

[1, 3, 5, 15, 17, 29, 43, 51, 85, 87, 127, 129, 145, 215, 255, 381, 435, 493, 635, 645, 731, 1247, 1479, 1905, 2159, 2193, 2465, 3655, 3683, 3741, 5461, 6235, 6477, 7395, 10795, 10965, 11049, 16383, 18415, 18705, 21199, 27305, 32385, 55245, 62611, 63597, 81915, 92837, 105995, 158369, 187833, 278511, 313055, 317985, 464185, 475107, 791845, 939165, 1392555, 2375535, 2692273, 8076819, 13461365, 40384095]

約数ペア:

[(1, 40384095), (3, 13461365), (5, 8076819), (15, 2692273), (17, 2375535), (29, 1392555), (43, 939165), (51, 791845), (85, 475107), (87, 464185), (127, 317985), (129, 313055), (145, 278511), (215, 187833), (255, 158369), (381, 105995), (435, 92837), (493, 81915), (635, 63597), (645, 62611), (731, 55245), (1247, 32385), (1479, 27305), (1905, 21199), (2159, 18705), (2193, 18415), (2465, 16383), (3655, 11049), (3683, 10965), (3741, 10795), (5461, 7395), (6235, 6477)]