80299550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 156686400

約数和(自身を除く): 76386850

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 79, 145, 158, 290, 395, 701, 725, 790, 1402, 1450, 1975, 2291, 3505, 3950, 4582, 7010, 11455, 17525, 20329, 22910, 35050, 40658, 55379, 57275, 101645, 110758, 114550, 203290, 276895, 508225, 553790, 1016450, 1384475, 1605991, 2768950, 3211982, 8029955, 16059910, 40149775, 80299550]

約数ペア:

[(1, 80299550), (2, 40149775), (5, 16059910), (10, 8029955), (25, 3211982), (29, 2768950), (50, 1605991), (58, 1384475), (79, 1016450), (145, 553790), (158, 508225), (290, 276895), (395, 203290), (701, 114550), (725, 110758), (790, 101645), (1402, 57275), (1450, 55379), (1975, 40658), (2291, 35050), (3505, 22910), (3950, 20329), (4582, 17525), (7010, 11455)]