10251020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 23496480

約数和(自身を除く): 13245460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 443, 445, 886, 890, 1157, 1772, 1780, 2215, 2314, 4430, 4628, 5759, 5785, 8860, 11518, 11570, 23036, 23140, 28795, 39427, 57590, 78854, 115180, 157708, 197135, 394270, 512551, 788540, 1025102, 2050204, 2562755, 5125510, 10251020]

約数ペア:

[(1, 10251020), (2, 5125510), (4, 2562755), (5, 2050204), (10, 1025102), (13, 788540), (20, 512551), (26, 394270), (52, 197135), (65, 157708), (89, 115180), (130, 78854), (178, 57590), (260, 39427), (356, 28795), (443, 23140), (445, 23036), (886, 11570), (890, 11518), (1157, 8860), (1772, 5785), (1780, 5759), (2215, 4628), (2314, 4430)]