25650256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 51824808

約数和(自身を除く): 26174552

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 641, 656, 976, 1282, 2501, 2564, 5002, 5128, 10004, 10256, 20008, 26281, 39101, 40016, 52562, 78202, 105124, 156404, 210248, 312808, 420496, 625616, 1603141, 3206282, 6412564, 12825128, 25650256]

約数ペア:

[(1, 25650256), (2, 12825128), (4, 6412564), (8, 3206282), (16, 1603141), (41, 625616), (61, 420496), (82, 312808), (122, 210248), (164, 156404), (244, 105124), (328, 78202), (488, 52562), (641, 40016), (656, 39101), (976, 26281), (1282, 20008), (2501, 10256), (2564, 10004), (5002, 5128)]