12775280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3259}}^1$

素因数の和:3286

約数の個数: 60

約数和(自身を含む): 34562520

約数和(自身を除く): 21787240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3259, 3920, 6518, 13036, 16295, 22813, 26072, 32590, 45626, 52144, 65180, 91252, 114065, 130360, 159691, 182504, 228130, 260720, 319382, 365008, 456260, 638764, 798455, 912520, 1277528, 1596910, 1825040, 2555056, 3193820, 6387640, 12775280]

約数ペア:

[(1, 12775280), (2, 6387640), (4, 3193820), (5, 2555056), (7, 1825040), (8, 1596910), (10, 1277528), (14, 912520), (16, 798455), (20, 638764), (28, 456260), (35, 365008), (40, 319382), (49, 260720), (56, 228130), (70, 182504), (80, 159691), (98, 130360), (112, 114065), (140, 91252), (196, 65180), (245, 52144), (280, 45626), (392, 32590), (490, 26072), (560, 22813), (784, 16295), (980, 13036), (1960, 6518), (3259, 3920)]