81124550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1073

約数の個数: 48

約数和(自身を含む): 163864512

約数和(自身を除く): 82739962

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 137, 274, 325, 650, 685, 911, 1370, 1781, 1822, 3425, 3562, 4555, 6850, 8905, 9110, 11843, 17810, 22775, 23686, 44525, 45550, 59215, 89050, 118430, 124807, 249614, 296075, 592150, 624035, 1248070, 1622491, 3120175, 3244982, 6240350, 8112455, 16224910, 40562275, 81124550]

約数ペア:

[(1, 81124550), (2, 40562275), (5, 16224910), (10, 8112455), (13, 6240350), (25, 3244982), (26, 3120175), (50, 1622491), (65, 1248070), (130, 624035), (137, 592150), (274, 296075), (325, 249614), (650, 124807), (685, 118430), (911, 89050), (1370, 59215), (1781, 45550), (1822, 44525), (3425, 23686), (3562, 22775), (4555, 17810), (6850, 11843), (8905, 9110)]