31330060

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4027}}^1$

素因数の和:4425

約数の個数: 24

約数和(自身を含む): 65978640

約数和(自身を除く): 34648580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 4027, 7780, 8054, 16108, 20135, 40270, 80540, 1566503, 3133006, 6266012, 7832515, 15665030, 31330060]

約数ペア:

[(1, 31330060), (2, 15665030), (4, 7832515), (5, 6266012), (10, 3133006), (20, 1566503), (389, 80540), (778, 40270), (1556, 20135), (1945, 16108), (3890, 8054), (4027, 7780)]