31251020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 70193088

約数和(自身を除く): 38942068

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1657, 1886, 3314, 3772, 4715, 6628, 8285, 9430, 16570, 18860, 33140, 38111, 67937, 76222, 135874, 152444, 190555, 271748, 339685, 381110, 679370, 762220, 1358740, 1562551, 3125102, 6250204, 7812755, 15625510, 31251020]

約数ペア:

[(1, 31251020), (2, 15625510), (4, 7812755), (5, 6250204), (10, 3125102), (20, 1562551), (23, 1358740), (41, 762220), (46, 679370), (82, 381110), (92, 339685), (115, 271748), (164, 190555), (205, 152444), (230, 135874), (410, 76222), (460, 67937), (820, 38111), (943, 33140), (1657, 18860), (1886, 16570), (3314, 9430), (3772, 8285), (4715, 6628)]