28254530

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20327}}^1$

素因数の和:20473

約数の個数: 16

約数和(自身を含む): 51226560

約数和(自身を除く): 22972030

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 20327, 40654, 101635, 203270, 2825453, 5650906, 14127265, 28254530]

約数ペア:

[(1, 28254530), (2, 14127265), (5, 5650906), (10, 2825453), (139, 203270), (278, 101635), (695, 40654), (1390, 20327)]