12508720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3191}}^1$

素因数の和:3218

約数の個数: 60

約数和(自身を含む): 33841584

約数和(自身を除く): 21332864

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, 3191, 3920, 6382, 12764, 15955, 22337, 25528, 31910, 44674, 51056, 63820, 89348, 111685, 127640, 156359, 178696, 223370, 255280, 312718, 357392, 446740, 625436, 781795, 893480, 1250872, 1563590, 1786960, 2501744, 3127180, 6254360, 12508720]

約数ペア:

[(1, 12508720), (2, 6254360), (4, 3127180), (5, 2501744), (7, 1786960), (8, 1563590), (10, 1250872), (14, 893480), (16, 781795), (20, 625436), (28, 446740), (35, 357392), (40, 312718), (49, 255280), (56, 223370), (70, 178696), (80, 156359), (98, 127640), (112, 111685), (140, 89348), (196, 63820), (245, 51056), (280, 44674), (392, 31910), (490, 25528), (560, 22337), (784, 15955), (980, 12764), (1960, 6382), (3191, 3920)]