9642140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4423}}^1$

素因数の和:4541

約数の個数: 24

約数和(自身を含む): 20438880

約数和(自身を除く): 10796740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4423, 8846, 17692, 22115, 44230, 88460, 482107, 964214, 1928428, 2410535, 4821070, 9642140]

約数ペア:

[(1, 9642140), (2, 4821070), (4, 2410535), (5, 1928428), (10, 964214), (20, 482107), (109, 88460), (218, 44230), (436, 22115), (545, 17692), (1090, 8846), (2180, 4423)]