31467080

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3061}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 71099640

約数和(自身を除く): 39632560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 3061, 5140, 6122, 10280, 12244, 15305, 24488, 30610, 61220, 122440, 786677, 1573354, 3146708, 3933385, 6293416, 7866770, 15733540, 31467080]

約数ペア:

[(1, 31467080), (2, 15733540), (4, 7866770), (5, 6293416), (8, 3933385), (10, 3146708), (20, 1573354), (40, 786677), (257, 122440), (514, 61220), (1028, 30610), (1285, 24488), (2056, 15305), (2570, 12244), (3061, 10280), (5140, 6122)]