40020783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 66355200

約数和(自身を除く): 26334417

約数列:

[1, 3, 11, 19, 29, 31, 33, 57, 71, 87, 93, 209, 213, 319, 341, 551, 589, 627, 781, 899, 957, 1023, 1349, 1653, 1767, 2059, 2201, 2343, 2697, 4047, 6061, 6177, 6479, 6603, 9889, 14839, 17081, 18183, 19437, 22649, 24211, 29667, 39121, 41819, 44517, 51243, 63829, 67947, 72633, 117363, 125457, 187891, 191487, 430331, 460009, 563673, 702119, 1212751, 1290993, 1380027, 2106357, 3638253, 13340261, 40020783]

約数ペア:

[(1, 40020783), (3, 13340261), (11, 3638253), (19, 2106357), (29, 1380027), (31, 1290993), (33, 1212751), (57, 702119), (71, 563673), (87, 460009), (93, 430331), (209, 191487), (213, 187891), (319, 125457), (341, 117363), (551, 72633), (589, 67947), (627, 63829), (781, 51243), (899, 44517), (957, 41819), (1023, 39121), (1349, 29667), (1653, 24211), (1767, 22649), (2059, 19437), (2201, 18183), (2343, 17081), (2697, 14839), (4047, 9889), (6061, 6603), (6177, 6479)]