82081520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54001}}^1$

素因数の和:54033

約数の個数: 40

約数和(自身を含む): 200887440

約数和(自身を除く): 118805920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 54001, 108002, 216004, 270005, 432008, 540010, 864016, 1026019, 1080020, 2052038, 2160040, 4104076, 4320080, 5130095, 8208152, 10260190, 16416304, 20520380, 41040760, 82081520]

約数ペア:

[(1, 82081520), (2, 41040760), (4, 20520380), (5, 16416304), (8, 10260190), (10, 8208152), (16, 5130095), (19, 4320080), (20, 4104076), (38, 2160040), (40, 2052038), (76, 1080020), (80, 1026019), (95, 864016), (152, 540010), (190, 432008), (304, 270005), (380, 216004), (760, 108002), (1520, 54001)]