16266340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 19295900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 239, 332, 410, 415, 478, 820, 830, 956, 1195, 1660, 2390, 3403, 4780, 6806, 9799, 13612, 17015, 19598, 19837, 34030, 39196, 39674, 48995, 68060, 79348, 97990, 99185, 195980, 198370, 396740, 813317, 1626634, 3253268, 4066585, 8133170, 16266340]

約数ペア:

[(1, 16266340), (2, 8133170), (4, 4066585), (5, 3253268), (10, 1626634), (20, 813317), (41, 396740), (82, 198370), (83, 195980), (164, 99185), (166, 97990), (205, 79348), (239, 68060), (332, 48995), (410, 39674), (415, 39196), (478, 34030), (820, 19837), (830, 19598), (956, 17015), (1195, 13612), (1660, 9799), (2390, 6806), (3403, 4780)]