28260085

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5419}}^1$

素因数の和:5580

約数の個数: 16

約数和(自身を含む): 39024000

約数和(自身を除く): 10763915

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 5419, 27095, 37933, 189665, 807431, 4037155, 5652017, 28260085]

約数ペア:

[(1, 28260085), (5, 5652017), (7, 4037155), (35, 807431), (149, 189665), (745, 37933), (1043, 27095), (5215, 5419)]