260865610

素因数分解:

$2^1\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{20113}}^1$

素因数の和:21417

約数の個数: 16

約数和(自身を含む): 469943496

約数和(自身を除く): 209077886

約数列:

[1, 2, 5, 10, 1297, 2594, 6485, 12970, 20113, 40226, 100565, 201130, 26086561, 52173122, 130432805, 260865610]

約数ペア:

[(1, 260865610), (2, 130432805), (5, 52173122), (10, 26086561), (1297, 201130), (2594, 100565), (6485, 40226), (12970, 20113)]