38869880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138821}}^1$

素因数の和:138839

約数の個数: 32

約数和(自身を含む): 99951840

約数和(自身を除く): 61081960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138821, 277642, 555284, 694105, 971747, 1110568, 1388210, 1943494, 2776420, 3886988, 4858735, 5552840, 7773976, 9717470, 19434940, 38869880]

約数ペア:

[(1, 38869880), (2, 19434940), (4, 9717470), (5, 7773976), (7, 5552840), (8, 4858735), (10, 3886988), (14, 2776420), (20, 1943494), (28, 1388210), (35, 1110568), (40, 971747), (56, 694105), (70, 555284), (140, 277642), (280, 138821)]