42561520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28001}}^1$

素因数の和:28033

約数の個数: 40

約数和(自身を含む): 104167440

約数和(自身を除く): 61605920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 28001, 56002, 112004, 140005, 224008, 280010, 448016, 532019, 560020, 1064038, 1120040, 2128076, 2240080, 2660095, 4256152, 5320190, 8512304, 10640380, 21280760, 42561520]

約数ペア:

[(1, 42561520), (2, 21280760), (4, 10640380), (5, 8512304), (8, 5320190), (10, 4256152), (16, 2660095), (19, 2240080), (20, 2128076), (38, 1120040), (40, 1064038), (76, 560020), (80, 532019), (95, 448016), (152, 280010), (190, 224008), (304, 140005), (380, 112004), (760, 56002), (1520, 28001)]