2721160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5233}}^1$

素因数の和:5257

約数の個数: 32

約数和(自身を含む): 6594840

約数和(自身を除く): 3873680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5233, 10466, 20932, 26165, 41864, 52330, 68029, 104660, 136058, 209320, 272116, 340145, 544232, 680290, 1360580, 2721160]

約数ペア:

[(1, 2721160), (2, 1360580), (4, 680290), (5, 544232), (8, 340145), (10, 272116), (13, 209320), (20, 136058), (26, 104660), (40, 68029), (52, 52330), (65, 41864), (104, 26165), (130, 20932), (260, 10466), (520, 5233)]