80521672

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 191139840

約数和(自身を除く): 110618168

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 67, 77, 88, 134, 154, 268, 308, 469, 536, 616, 737, 938, 1474, 1876, 1951, 2948, 3752, 3902, 5159, 5896, 7804, 10318, 13657, 15608, 20636, 21461, 27314, 41272, 42922, 54628, 85844, 109256, 130717, 150227, 171688, 261434, 300454, 522868, 600908, 915019, 1045736, 1201816, 1437887, 1830038, 2875774, 3660076, 5751548, 7320152, 10065209, 11503096, 20130418, 40260836, 80521672]

約数ペア:

[(1, 80521672), (2, 40260836), (4, 20130418), (7, 11503096), (8, 10065209), (11, 7320152), (14, 5751548), (22, 3660076), (28, 2875774), (44, 1830038), (56, 1437887), (67, 1201816), (77, 1045736), (88, 915019), (134, 600908), (154, 522868), (268, 300454), (308, 261434), (469, 171688), (536, 150227), (616, 130717), (737, 109256), (938, 85844), (1474, 54628), (1876, 42922), (1951, 41272), (2948, 27314), (3752, 21461), (3902, 20636), (5159, 15608), (5896, 13657), (7804, 10318)]