2869240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6521}}^1$

素因数の和:6543

約数の個数: 32

約数和(自身を含む): 7043760

約数和(自身を除く): 4174520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6521, 13042, 26084, 32605, 52168, 65210, 71731, 130420, 143462, 260840, 286924, 358655, 573848, 717310, 1434620, 2869240]

約数ペア:

[(1, 2869240), (2, 1434620), (4, 717310), (5, 573848), (8, 358655), (10, 286924), (11, 260840), (20, 143462), (22, 130420), (40, 71731), (44, 65210), (55, 52168), (88, 32605), (110, 26084), (220, 13042), (440, 6521)]