28708964680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{513761}}^1$

素因数の和:513910

約数の個数: 64

約数和(自身を含む): 71022458880

約数和(自身を除く): 42313494200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 635, 1016, 1270, 1397, 2540, 2794, 5080, 5588, 6985, 11176, 13970, 27940, 55880, 513761, 1027522, 2055044, 2568805, 4110088, 5137610, 5651371, 10275220, 11302742, 20550440, 22605484, 28256855, 45210968, 56513710, 65247647, 113027420, 130495294, 226054840, 260990588, 326238235, 521981176, 652476470, 717724117, 1304952940, 1435448234, 2609905880, 2870896468, 3588620585, 5741792936, 7177241170, 14354482340, 28708964680]

約数ペア:

[(1, 28708964680), (2, 14354482340), (4, 7177241170), (5, 5741792936), (8, 3588620585), (10, 2870896468), (11, 2609905880), (20, 1435448234), (22, 1304952940), (40, 717724117), (44, 652476470), (55, 521981176), (88, 326238235), (110, 260990588), (127, 226054840), (220, 130495294), (254, 113027420), (440, 65247647), (508, 56513710), (635, 45210968), (1016, 28256855), (1270, 22605484), (1397, 20550440), (2540, 11302742), (2794, 10275220), (5080, 5651371), (5588, 5137610), (6985, 4110088), (11176, 2568805), (13970, 2055044), (27940, 1027522), (55880, 513761)]