40254025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 60781824

約数和(自身を除く): 20527799

約数列:

[1, 5, 7, 23, 25, 35, 73, 115, 137, 161, 175, 365, 511, 575, 685, 805, 959, 1679, 1825, 2555, 3151, 3425, 4025, 4795, 8395, 10001, 11753, 12775, 15755, 22057, 23975, 41975, 50005, 58765, 70007, 78775, 110285, 230023, 250025, 293825, 350035, 551425, 1150115, 1610161, 1750175, 5750575, 8050805, 40254025]

約数ペア:

[(1, 40254025), (5, 8050805), (7, 5750575), (23, 1750175), (25, 1610161), (35, 1150115), (73, 551425), (115, 350035), (137, 293825), (161, 250025), (175, 230023), (365, 110285), (511, 78775), (575, 70007), (685, 58765), (805, 50005), (959, 41975), (1679, 23975), (1825, 22057), (2555, 15755), (3151, 12775), (3425, 11753), (4025, 10001), (4795, 8395)]