12645400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 30690000

約数和(自身を除く): 18044600

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, 2749, 4600, 5498, 10996, 13745, 21992, 27490, 54980, 63227, 68725, 109960, 126454, 137450, 252908, 274900, 316135, 505816, 549800, 632270, 1264540, 1580675, 2529080, 3161350, 6322700, 12645400]

約数ペア:

[(1, 12645400), (2, 6322700), (4, 3161350), (5, 2529080), (8, 1580675), (10, 1264540), (20, 632270), (23, 549800), (25, 505816), (40, 316135), (46, 274900), (50, 252908), (92, 137450), (100, 126454), (115, 109960), (184, 68725), (200, 63227), (230, 54980), (460, 27490), (575, 21992), (920, 13745), (1150, 10996), (2300, 5498), (2749, 4600)]