79911440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142699}}^1$

素因数の和:142719

約数の個数: 40

約数和(自身を含む): 212337600

約数和(自身を除く): 132426160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142699, 285398, 570796, 713495, 998893, 1141592, 1426990, 1997786, 2283184, 2853980, 3995572, 4994465, 5707960, 7991144, 9988930, 11415920, 15982288, 19977860, 39955720, 79911440]

約数ペア:

[(1, 79911440), (2, 39955720), (4, 19977860), (5, 15982288), (7, 11415920), (8, 9988930), (10, 7991144), (14, 5707960), (16, 4994465), (20, 3995572), (28, 2853980), (35, 2283184), (40, 1997786), (56, 1426990), (70, 1141592), (80, 998893), (112, 713495), (140, 570796), (280, 285398), (560, 142699)]