2545640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 5978880

約数和(自身を除く): 3433240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2767, 5534, 11068, 13835, 22136, 27670, 55340, 63641, 110680, 127282, 254564, 318205, 509128, 636410, 1272820, 2545640]

約数ペア:

[(1, 2545640), (2, 1272820), (4, 636410), (5, 509128), (8, 318205), (10, 254564), (20, 127282), (23, 110680), (40, 63641), (46, 55340), (92, 27670), (115, 22136), (184, 13835), (230, 11068), (460, 5534), (920, 2767)]