26128390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23971}}^1$

素因数の和:24087

約数の個数: 16

約数和(自身を含む): 47464560

約数和(自身を除く): 21336170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 23971, 47942, 119855, 239710, 2612839, 5225678, 13064195, 26128390]

約数ペア:

[(1, 26128390), (2, 13064195), (5, 5225678), (10, 2612839), (109, 239710), (218, 119855), (545, 47942), (1090, 23971)]