6659980

素因数分解:

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

素因数の和:226

約数の個数: 48

約数和(自身を含む): 14624064

約数和(自身を除く): 7964084

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 103, 106, 122, 206, 212, 244, 265, 305, 412, 515, 530, 610, 1030, 1060, 1220, 2060, 3233, 5459, 6283, 6466, 10918, 12566, 12932, 16165, 21836, 25132, 27295, 31415, 32330, 54590, 62830, 64660, 109180, 125660, 332999, 665998, 1331996, 1664995, 3329990, 6659980]

約数ペア:

[(1, 6659980), (2, 3329990), (4, 1664995), (5, 1331996), (10, 665998), (20, 332999), (53, 125660), (61, 109180), (103, 64660), (106, 62830), (122, 54590), (206, 32330), (212, 31415), (244, 27295), (265, 25132), (305, 21836), (412, 16165), (515, 12932), (530, 12566), (610, 10918), (1030, 6466), (1060, 6283), (1220, 5459), (2060, 3233)]