8204840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29303}}^1$

素因数の和:29321

約数の個数: 32

約数和(自身を含む): 21098880

約数和(自身を除く): 12894040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29303, 58606, 117212, 146515, 205121, 234424, 293030, 410242, 586060, 820484, 1025605, 1172120, 1640968, 2051210, 4102420, 8204840]

約数ペア:

[(1, 8204840), (2, 4102420), (4, 2051210), (5, 1640968), (7, 1172120), (8, 1025605), (10, 820484), (14, 586060), (20, 410242), (28, 293030), (35, 234424), (40, 205121), (56, 146515), (70, 117212), (140, 58606), (280, 29303)]