79981540

素因数分解:

$2^2\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{2297}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 168130872

約数和(自身を除く): 88149332

約数列:

[1, 2, 4, 5, 10, 20, 1741, 2297, 3482, 4594, 6964, 8705, 9188, 11485, 17410, 22970, 34820, 45940, 3999077, 7998154, 15996308, 19995385, 39990770, 79981540]

約数ペア:

[(1, 79981540), (2, 39990770), (4, 19995385), (5, 15996308), (10, 7998154), (20, 3999077), (1741, 45940), (2297, 34820), (3482, 22970), (4594, 17410), (6964, 11485), (8705, 9188)]