16649950

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 32381856

約数和(自身を除く): 15731906

約数列:

[1, 2, 5, 10, 25, 50, 53, 61, 103, 106, 122, 206, 265, 305, 515, 530, 610, 1030, 1325, 1525, 2575, 2650, 3050, 3233, 5150, 5459, 6283, 6466, 10918, 12566, 16165, 27295, 31415, 32330, 54590, 62830, 80825, 136475, 157075, 161650, 272950, 314150, 332999, 665998, 1664995, 3329990, 8324975, 16649950]

約数ペア:

[(1, 16649950), (2, 8324975), (5, 3329990), (10, 1664995), (25, 665998), (50, 332999), (53, 314150), (61, 272950), (103, 161650), (106, 157075), (122, 136475), (206, 80825), (265, 62830), (305, 54590), (515, 32330), (530, 31415), (610, 27295), (1030, 16165), (1325, 12566), (1525, 10918), (2575, 6466), (2650, 6283), (3050, 5459), (3233, 5150)]