25627550

素因数分解:

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

素因数の和:557

約数の個数: 48

約数和(自身を含む): 52027920

約数和(自身を除く): 26400370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 178, 325, 443, 445, 650, 886, 890, 1157, 2215, 2225, 2314, 4430, 4450, 5759, 5785, 11075, 11518, 11570, 22150, 28795, 28925, 39427, 57590, 57850, 78854, 143975, 197135, 287950, 394270, 512551, 985675, 1025102, 1971350, 2562755, 5125510, 12813775, 25627550]

約数ペア:

[(1, 25627550), (2, 12813775), (5, 5125510), (10, 2562755), (13, 1971350), (25, 1025102), (26, 985675), (50, 512551), (65, 394270), (89, 287950), (130, 197135), (178, 143975), (325, 78854), (443, 57850), (445, 57590), (650, 39427), (886, 28925), (890, 28795), (1157, 22150), (2215, 11570), (2225, 11518), (2314, 11075), (4430, 5785), (4450, 5759)]