55720040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9349}}^1$

素因数の和:9509

約数の個数: 32

約数和(自身を含む): 126225000

約数和(自身を除く): 70504960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 9349, 18698, 37396, 46745, 74792, 93490, 186980, 373960, 1393001, 2786002, 5572004, 6965005, 11144008, 13930010, 27860020, 55720040]

約数ペア:

[(1, 55720040), (2, 27860020), (4, 13930010), (5, 11144008), (8, 6965005), (10, 5572004), (20, 2786002), (40, 1393001), (149, 373960), (298, 186980), (596, 93490), (745, 74792), (1192, 46745), (1490, 37396), (2980, 18698), (5960, 9349)]