38757040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{9887}}^1$

素因数の和:9914

約数の個数: 60

約数和(自身を含む): 104832576

約数和(自身を除く): 66075536

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, 3920, 9887, 19774, 39548, 49435, 69209, 79096, 98870, 138418, 158192, 197740, 276836, 346045, 395480, 484463, 553672, 692090, 790960, 968926, 1107344, 1384180, 1937852, 2422315, 2768360, 3875704, 4844630, 5536720, 7751408, 9689260, 19378520, 38757040]

約数ペア:

[(1, 38757040), (2, 19378520), (4, 9689260), (5, 7751408), (7, 5536720), (8, 4844630), (10, 3875704), (14, 2768360), (16, 2422315), (20, 1937852), (28, 1384180), (35, 1107344), (40, 968926), (49, 790960), (56, 692090), (70, 553672), (80, 484463), (98, 395480), (112, 346045), (140, 276836), (196, 197740), (245, 158192), (280, 138418), (392, 98870), (490, 79096), (560, 69209), (784, 49435), (980, 39548), (1960, 19774), (3920, 9887)]