2019678040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1231511}}^1$

素因数の和:1231563

約数の個数: 32

約数和(自身を含む): 4655115360

約数和(自身を除く): 2635437320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1231511, 2463022, 4926044, 6157555, 9852088, 12315110, 24630220, 49260440, 50491951, 100983902, 201967804, 252459755, 403935608, 504919510, 1009839020, 2019678040]

約数ペア:

[(1, 2019678040), (2, 1009839020), (4, 504919510), (5, 403935608), (8, 252459755), (10, 201967804), (20, 100983902), (40, 50491951), (41, 49260440), (82, 24630220), (164, 12315110), (205, 9852088), (328, 6157555), (410, 4926044), (820, 2463022), (1640, 1231511)]