26241640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16001}}^1$

素因数の和:16053

約数の個数: 32

約数和(自身を含む): 60487560

約数和(自身を除く): 34245920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16001, 32002, 64004, 80005, 128008, 160010, 320020, 640040, 656041, 1312082, 2624164, 3280205, 5248328, 6560410, 13120820, 26241640]

約数ペア:

[(1, 26241640), (2, 13120820), (4, 6560410), (5, 5248328), (8, 3280205), (10, 2624164), (20, 1312082), (40, 656041), (41, 640040), (82, 320020), (164, 160010), (205, 128008), (328, 80005), (410, 64004), (820, 32002), (1640, 16001)]