67141640

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1657}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 151309080

約数和(自身を除く): 84167440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 1657, 2026, 3314, 4052, 5065, 6628, 8104, 8285, 10130, 13256, 16570, 20260, 33140, 40520, 66280, 1678541, 3357082, 6714164, 8392705, 13428328, 16785410, 33570820, 67141640]

約数ペア:

[(1, 67141640), (2, 33570820), (4, 16785410), (5, 13428328), (8, 8392705), (10, 6714164), (20, 3357082), (40, 1678541), (1013, 66280), (1657, 40520), (2026, 33140), (3314, 20260), (4052, 16570), (5065, 13256), (6628, 10130), (8104, 8285)]