40878760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 99993600

約数和(自身を除く): 59114840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 619, 635, 1016, 1238, 1270, 1651, 2476, 2540, 3095, 3302, 4952, 5080, 6190, 6604, 8047, 8255, 12380, 13208, 16094, 16510, 24760, 32188, 33020, 40235, 64376, 66040, 78613, 80470, 157226, 160940, 314452, 321880, 393065, 628904, 786130, 1021969, 1572260, 2043938, 3144520, 4087876, 5109845, 8175752, 10219690, 20439380, 40878760]

約数ペア:

[(1, 40878760), (2, 20439380), (4, 10219690), (5, 8175752), (8, 5109845), (10, 4087876), (13, 3144520), (20, 2043938), (26, 1572260), (40, 1021969), (52, 786130), (65, 628904), (104, 393065), (127, 321880), (130, 314452), (254, 160940), (260, 157226), (508, 80470), (520, 78613), (619, 66040), (635, 64376), (1016, 40235), (1238, 33020), (1270, 32188), (1651, 24760), (2476, 16510), (2540, 16094), (3095, 13208), (3302, 12380), (4952, 8255), (5080, 8047), (6190, 6604)]