12728200

素因数分解:

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

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 30890880

約数和(自身を除く): 18162680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 2767, 4600, 5534, 11068, 13835, 22136, 27670, 55340, 63641, 69175, 110680, 127282, 138350, 254564, 276700, 318205, 509128, 553400, 636410, 1272820, 1591025, 2545640, 3182050, 6364100, 12728200]

約数ペア:

[(1, 12728200), (2, 6364100), (4, 3182050), (5, 2545640), (8, 1591025), (10, 1272820), (20, 636410), (23, 553400), (25, 509128), (40, 318205), (46, 276700), (50, 254564), (92, 138350), (100, 127282), (115, 110680), (184, 69175), (200, 63641), (230, 55340), (460, 27670), (575, 22136), (920, 13835), (1150, 11068), (2300, 5534), (2767, 4600)]