71782520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13099}}^1$

素因数の和:13247

約数の個数: 32

約数和(自身を含む): 162702000

約数和(自身を除く): 90919480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 13099, 26198, 52396, 65495, 104792, 130990, 261980, 523960, 1794563, 3589126, 7178252, 8972815, 14356504, 17945630, 35891260, 71782520]

約数ペア:

[(1, 71782520), (2, 35891260), (4, 17945630), (5, 14356504), (8, 8972815), (10, 7178252), (20, 3589126), (40, 1794563), (137, 523960), (274, 261980), (548, 130990), (685, 104792), (1096, 65495), (1370, 52396), (2740, 26198), (5480, 13099)]