2806760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6379}}^1$

素因数の和:6401

約数の個数: 32

約数和(自身を含む): 6890400

約数和(自身を除く): 4083640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6379, 12758, 25516, 31895, 51032, 63790, 70169, 127580, 140338, 255160, 280676, 350845, 561352, 701690, 1403380, 2806760]

約数ペア:

[(1, 2806760), (2, 1403380), (4, 701690), (5, 561352), (8, 350845), (10, 280676), (11, 255160), (20, 140338), (22, 127580), (40, 70169), (44, 63790), (55, 51032), (88, 31895), (110, 25516), (220, 12758), (440, 6379)]