71564920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255589}}^1$

素因数の和:255607

約数の個数: 32

約数和(自身を含む): 184024800

約数和(自身を除く): 112459880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255589, 511178, 1022356, 1277945, 1789123, 2044712, 2555890, 3578246, 5111780, 7156492, 8945615, 10223560, 14312984, 17891230, 35782460, 71564920]

約数ペア:

[(1, 71564920), (2, 35782460), (4, 17891230), (5, 14312984), (7, 10223560), (8, 8945615), (10, 7156492), (14, 5111780), (20, 3578246), (28, 2555890), (35, 2044712), (40, 1789123), (56, 1277945), (70, 1022356), (140, 511178), (280, 255589)]