2855540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 6088992

約数和(自身を除く): 3233452

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 2131, 4262, 8524, 10655, 21310, 42620, 142777, 285554, 571108, 713885, 1427770, 2855540]

約数ペア:

[(1, 2855540), (2, 1427770), (4, 713885), (5, 571108), (10, 285554), (20, 142777), (67, 42620), (134, 21310), (268, 10655), (335, 8524), (670, 4262), (1340, 2131)]