54320080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16561}}^1$

素因数の和:16615

約数の個数: 40

約数和(自身を含む): 129382344

約数和(自身を除く): 75062264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 16561, 33122, 66244, 82805, 132488, 165610, 264976, 331220, 662440, 679001, 1324880, 1358002, 2716004, 3395005, 5432008, 6790010, 10864016, 13580020, 27160040, 54320080]

約数ペア:

[(1, 54320080), (2, 27160040), (4, 13580020), (5, 10864016), (8, 6790010), (10, 5432008), (16, 3395005), (20, 2716004), (40, 1358002), (41, 1324880), (80, 679001), (82, 662440), (164, 331220), (205, 264976), (328, 165610), (410, 132488), (656, 82805), (820, 66244), (1640, 33122), (3280, 16561)]