80621008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1171}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 168871136

約数和(自身を除く): 88250128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 662, 1171, 1324, 2342, 2648, 4303, 4684, 5296, 8606, 9368, 15223, 17212, 18736, 30446, 34424, 60892, 68848, 121784, 243568, 387601, 775202, 1550404, 3100808, 5038813, 6201616, 10077626, 20155252, 40310504, 80621008]

約数ペア:

[(1, 80621008), (2, 40310504), (4, 20155252), (8, 10077626), (13, 6201616), (16, 5038813), (26, 3100808), (52, 1550404), (104, 775202), (208, 387601), (331, 243568), (662, 121784), (1171, 68848), (1324, 60892), (2342, 34424), (2648, 30446), (4303, 18736), (4684, 17212), (5296, 15223), (8606, 9368)]