2887720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6563}}^1$

素因数の和:6585

約数の個数: 32

約数和(自身を含む): 7089120

約数和(自身を除く): 4201400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6563, 13126, 26252, 32815, 52504, 65630, 72193, 131260, 144386, 262520, 288772, 360965, 577544, 721930, 1443860, 2887720]

約数ペア:

[(1, 2887720), (2, 1443860), (4, 721930), (5, 577544), (8, 360965), (10, 288772), (11, 262520), (20, 144386), (22, 131260), (40, 72193), (44, 65630), (55, 52504), (88, 32815), (110, 26252), (220, 13126), (440, 6563)]