2709160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 6172200

約数和(自身を除く): 3463040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 761, 890, 1522, 1780, 3044, 3560, 3805, 6088, 7610, 15220, 30440, 67729, 135458, 270916, 338645, 541832, 677290, 1354580, 2709160]

約数ペア:

[(1, 2709160), (2, 1354580), (4, 677290), (5, 541832), (8, 338645), (10, 270916), (20, 135458), (40, 67729), (89, 30440), (178, 15220), (356, 7610), (445, 6088), (712, 3805), (761, 3560), (890, 3044), (1522, 1780)]