71241040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68501}}^1$

素因数の和:68527

約数の個数: 40

約数和(自身を含む): 178379208

約数和(自身を除く): 107138168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68501, 137002, 274004, 342505, 548008, 685010, 890513, 1096016, 1370020, 1781026, 2740040, 3562052, 4452565, 5480080, 7124104, 8905130, 14248208, 17810260, 35620520, 71241040]

約数ペア:

[(1, 71241040), (2, 35620520), (4, 17810260), (5, 14248208), (8, 8905130), (10, 7124104), (13, 5480080), (16, 4452565), (20, 3562052), (26, 2740040), (40, 1781026), (52, 1370020), (65, 1096016), (80, 890513), (104, 685010), (130, 548008), (208, 342505), (260, 274004), (520, 137002), (1040, 68501)]