28670860

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2741}}^1$

素因数の和:3273

約数の個数: 24

約数和(自身を含む): 60345936

約数和(自身を除く): 31675076

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 2741, 5230, 5482, 10460, 10964, 13705, 27410, 54820, 1433543, 2867086, 5734172, 7167715, 14335430, 28670860]

約数ペア:

[(1, 28670860), (2, 14335430), (4, 7167715), (5, 5734172), (10, 2867086), (20, 1433543), (523, 54820), (1046, 27410), (2092, 13705), (2615, 10964), (2741, 10460), (5230, 5482)]