85123040

素因数分解:

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

素因数の和:28035

約数の個数: 48

約数和(自身を含む): 211695120

約数和(自身を除く): 126572080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28001, 56002, 112004, 140005, 224008, 280010, 448016, 532019, 560020, 896032, 1064038, 1120040, 2128076, 2240080, 2660095, 4256152, 4480160, 5320190, 8512304, 10640380, 17024608, 21280760, 42561520, 85123040]

約数ペア:

[(1, 85123040), (2, 42561520), (4, 21280760), (5, 17024608), (8, 10640380), (10, 8512304), (16, 5320190), (19, 4480160), (20, 4256152), (32, 2660095), (38, 2240080), (40, 2128076), (76, 1120040), (80, 1064038), (95, 896032), (152, 560020), (160, 532019), (190, 448016), (304, 280010), (380, 224008), (608, 140005), (760, 112004), (1520, 56002), (3040, 28001)]