8961820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{64013}}^1$

素因数の和:64029

約数の個数: 24

約数和(自身を含む): 21508704

約数和(自身を除く): 12546884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 64013, 128026, 256052, 320065, 448091, 640130, 896182, 1280260, 1792364, 2240455, 4480910, 8961820]

約数ペア:

[(1, 8961820), (2, 4480910), (4, 2240455), (5, 1792364), (7, 1280260), (10, 896182), (14, 640130), (20, 448091), (28, 320065), (35, 256052), (70, 128026), (140, 64013)]