26980075

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{1123}}^1$

素因数の和:1195

約数の個数: 18

約数和(自身を含む): 34600092

約数和(自身を除く): 7620017

約数列:

[1, 5, 25, 31, 155, 775, 961, 1123, 4805, 5615, 24025, 28075, 34813, 174065, 870325, 1079203, 5396015, 26980075]

約数ペア:

[(1, 26980075), (5, 5396015), (25, 1079203), (31, 870325), (155, 174065), (775, 34813), (961, 28075), (1123, 24025), (4805, 5615)]