13880720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3541}}^1$

素因数の和:3568

約数の個数: 60

約数和(自身を含む): 37552284

約数和(自身を除く): 23671564

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, 3541, 3920, 7082, 14164, 17705, 24787, 28328, 35410, 49574, 56656, 70820, 99148, 123935, 141640, 173509, 198296, 247870, 283280, 347018, 396592, 495740, 694036, 867545, 991480, 1388072, 1735090, 1982960, 2776144, 3470180, 6940360, 13880720]

約数ペア:

[(1, 13880720), (2, 6940360), (4, 3470180), (5, 2776144), (7, 1982960), (8, 1735090), (10, 1388072), (14, 991480), (16, 867545), (20, 694036), (28, 495740), (35, 396592), (40, 347018), (49, 283280), (56, 247870), (70, 198296), (80, 173509), (98, 141640), (112, 123935), (140, 99148), (196, 70820), (245, 56656), (280, 49574), (392, 35410), (490, 28328), (560, 24787), (784, 17705), (980, 14164), (1960, 7082), (3541, 3920)]