18389968160

素因数分解:

$2^5\times 5^1\times {\mathrm{22621}}^1\times {\mathrm{5081}}^1$

素因数の和:27717

約数の個数: 48

約数和(自身を含む): 43456771512

約数和(自身を除く): 25066803352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5081, 10162, 20324, 22621, 25405, 40648, 45242, 50810, 81296, 90484, 101620, 113105, 162592, 180968, 203240, 226210, 361936, 406480, 452420, 723872, 812960, 904840, 1809680, 3619360, 114937301, 229874602, 459749204, 574686505, 919498408, 1149373010, 1838996816, 2298746020, 3677993632, 4597492040, 9194984080, 18389968160]

約数ペア:

[(1, 18389968160), (2, 9194984080), (4, 4597492040), (5, 3677993632), (8, 2298746020), (10, 1838996816), (16, 1149373010), (20, 919498408), (32, 574686505), (40, 459749204), (80, 229874602), (160, 114937301), (5081, 3619360), (10162, 1809680), (20324, 904840), (22621, 812960), (25405, 723872), (40648, 452420), (45242, 406480), (50810, 361936), (81296, 226210), (90484, 203240), (101620, 180968), (113105, 162592)]