40253025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 71299008

約数和(自身を除く): 31045983

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 131, 241, 255, 393, 425, 655, 723, 1205, 1275, 1965, 2227, 3275, 3615, 4097, 6025, 6681, 9825, 11135, 12291, 18075, 20485, 31571, 33405, 55675, 61455, 94713, 102425, 157855, 167025, 307275, 473565, 536707, 789275, 1610121, 2367825, 2683535, 8050605, 13417675, 40253025]

約数ペア:

[(1, 40253025), (3, 13417675), (5, 8050605), (15, 2683535), (17, 2367825), (25, 1610121), (51, 789275), (75, 536707), (85, 473565), (131, 307275), (241, 167025), (255, 157855), (393, 102425), (425, 94713), (655, 61455), (723, 55675), (1205, 33405), (1275, 31571), (1965, 20485), (2227, 18075), (3275, 12291), (3615, 11135), (4097, 9825), (6025, 6681)]