1897080040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{443243}}^1$

素因数の和:443361

約数の個数: 32

約数和(自身を含む): 4308331680

約数和(自身を除く): 2411251640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 443243, 886486, 1772972, 2216215, 3545944, 4432430, 8864860, 17729720, 47427001, 94854002, 189708004, 237135005, 379416008, 474270010, 948540020, 1897080040]

約数ペア:

[(1, 1897080040), (2, 948540020), (4, 474270010), (5, 379416008), (8, 237135005), (10, 189708004), (20, 94854002), (40, 47427001), (107, 17729720), (214, 8864860), (428, 4432430), (535, 3545944), (856, 2216215), (1070, 1772972), (2140, 886486), (4280, 443243)]