26888440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 35780360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 127, 134, 158, 254, 268, 316, 335, 395, 508, 536, 632, 635, 670, 790, 1016, 1270, 1340, 1580, 2540, 2680, 3160, 5080, 5293, 8509, 10033, 10586, 17018, 20066, 21172, 26465, 34036, 40132, 42344, 42545, 50165, 52930, 68072, 80264, 85090, 100330, 105860, 170180, 200660, 211720, 340360, 401320, 672211, 1344422, 2688844, 3361055, 5377688, 6722110, 13444220, 26888440]

約数ペア:

[(1, 26888440), (2, 13444220), (4, 6722110), (5, 5377688), (8, 3361055), (10, 2688844), (20, 1344422), (40, 672211), (67, 401320), (79, 340360), (127, 211720), (134, 200660), (158, 170180), (254, 105860), (268, 100330), (316, 85090), (335, 80264), (395, 68072), (508, 52930), (536, 50165), (632, 42545), (635, 42344), (670, 40132), (790, 34036), (1016, 26465), (1270, 21172), (1340, 20066), (1580, 17018), (2540, 10586), (2680, 10033), (3160, 8509), (5080, 5293)]