209184040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{402277}}^1$

素因数の和:402301

約数の個数: 32

約数和(自身を含む): 506870280

約数和(自身を除く): 297686240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 402277, 804554, 1609108, 2011385, 3218216, 4022770, 5229601, 8045540, 10459202, 16091080, 20918404, 26148005, 41836808, 52296010, 104592020, 209184040]

約数ペア:

[(1, 209184040), (2, 104592020), (4, 52296010), (5, 41836808), (8, 26148005), (10, 20918404), (13, 16091080), (20, 10459202), (26, 8045540), (40, 5229601), (52, 4022770), (65, 3218216), (104, 2011385), (130, 1609108), (260, 804554), (520, 402277)]