40197688

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 78044400

約数和(自身を除く): 37846712

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 556, 977, 1112, 1954, 3908, 5143, 7816, 10286, 20572, 36149, 41144, 72298, 135803, 144596, 271606, 289192, 543212, 1086424, 5024711, 10049422, 20098844, 40197688]

約数ペア:

[(1, 40197688), (2, 20098844), (4, 10049422), (8, 5024711), (37, 1086424), (74, 543212), (139, 289192), (148, 271606), (278, 144596), (296, 135803), (556, 72298), (977, 41144), (1112, 36149), (1954, 20572), (3908, 10286), (5143, 7816)]