25920570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66463}}^1$

素因数の和:66486

約数の個数: 32

約数和(自身を含む): 66995712

約数和(自身を除く): 41075142

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 66463, 132926, 199389, 332315, 398778, 664630, 864019, 996945, 1728038, 1993890, 2592057, 4320095, 5184114, 8640190, 12960285, 25920570]

約数ペア:

[(1, 25920570), (2, 12960285), (3, 8640190), (5, 5184114), (6, 4320095), (10, 2592057), (13, 1993890), (15, 1728038), (26, 996945), (30, 864019), (39, 664630), (65, 398778), (78, 332315), (130, 199389), (195, 132926), (390, 66463)]