2613040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 6160320

約数和(自身を除く): 3547280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 367, 445, 712, 734, 890, 1424, 1468, 1780, 1835, 2936, 3560, 3670, 5872, 7120, 7340, 14680, 29360, 32663, 65326, 130652, 163315, 261304, 326630, 522608, 653260, 1306520, 2613040]

約数ペア:

[(1, 2613040), (2, 1306520), (4, 653260), (5, 522608), (8, 326630), (10, 261304), (16, 163315), (20, 130652), (40, 65326), (80, 32663), (89, 29360), (178, 14680), (356, 7340), (367, 7120), (445, 5872), (712, 3670), (734, 3560), (890, 2936), (1424, 1835), (1468, 1780)]