8619020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 19389888

約数和(自身を除く): 10770868

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 457, 460, 820, 914, 943, 1828, 1886, 2285, 3772, 4570, 4715, 9140, 9430, 10511, 18737, 18860, 21022, 37474, 42044, 52555, 74948, 93685, 105110, 187370, 210220, 374740, 430951, 861902, 1723804, 2154755, 4309510, 8619020]

約数ペア:

[(1, 8619020), (2, 4309510), (4, 2154755), (5, 1723804), (10, 861902), (20, 430951), (23, 374740), (41, 210220), (46, 187370), (82, 105110), (92, 93685), (115, 74948), (164, 52555), (205, 42044), (230, 37474), (410, 21022), (457, 18860), (460, 18737), (820, 10511), (914, 9430), (943, 9140), (1828, 4715), (1886, 4570), (2285, 3772)]