40218516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4565

約数の個数: 72

約数和(自身を含む): 115271520

約数和(自身を除く): 75053004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 4523, 8892, 9046, 13569, 18092, 27138, 40707, 54276, 58799, 81414, 85937, 117598, 162828, 171874, 176397, 235196, 257811, 343748, 352794, 515622, 529191, 705588, 773433, 1031244, 1058382, 1117181, 1546866, 2116764, 2234362, 3093732, 3351543, 4468724, 6703086, 10054629, 13406172, 20109258, 40218516]

約数ペア:

[(1, 40218516), (2, 20109258), (3, 13406172), (4, 10054629), (6, 6703086), (9, 4468724), (12, 3351543), (13, 3093732), (18, 2234362), (19, 2116764), (26, 1546866), (36, 1117181), (38, 1058382), (39, 1031244), (52, 773433), (57, 705588), (76, 529191), (78, 515622), (114, 352794), (117, 343748), (156, 257811), (171, 235196), (228, 176397), (234, 171874), (247, 162828), (342, 117598), (468, 85937), (494, 81414), (684, 58799), (741, 54276), (988, 40707), (1482, 27138), (2223, 18092), (2964, 13569), (4446, 9046), (4523, 8892)]