26700020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32561}}^1$

素因数の和:32611

約数の個数: 24

約数和(自身を含む): 57439368

約数和(自身を除く): 30739348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 32561, 65122, 130244, 162805, 325610, 651220, 1335001, 2670002, 5340004, 6675005, 13350010, 26700020]

約数ペア:

[(1, 26700020), (2, 13350010), (4, 6675005), (5, 5340004), (10, 2670002), (20, 1335001), (41, 651220), (82, 325610), (164, 162805), (205, 130244), (410, 65122), (820, 32561)]