12428740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 15513020

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 659, 820, 943, 1318, 1886, 2636, 3295, 3772, 4715, 6590, 9430, 13180, 15157, 18860, 27019, 30314, 54038, 60628, 75785, 108076, 135095, 151570, 270190, 303140, 540380, 621437, 1242874, 2485748, 3107185, 6214370, 12428740]

約数ペア:

[(1, 12428740), (2, 6214370), (4, 3107185), (5, 2485748), (10, 1242874), (20, 621437), (23, 540380), (41, 303140), (46, 270190), (82, 151570), (92, 135095), (115, 108076), (164, 75785), (205, 60628), (230, 54038), (410, 30314), (460, 27019), (659, 18860), (820, 15157), (943, 13180), (1318, 9430), (1886, 6590), (2636, 4715), (3295, 3772)]