26466890

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4129}}^1$

素因数の和:4777

約数の個数: 16

約数和(自身を含む): 47726280

約数和(自身を除く): 21259390

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 4129, 6410, 8258, 20645, 41290, 2646689, 5293378, 13233445, 26466890]

約数ペア:

[(1, 26466890), (2, 13233445), (5, 5293378), (10, 2646689), (641, 41290), (1282, 20645), (3205, 8258), (4129, 6410)]