54467780

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{7001}}^1$

素因数の和:7399

約数の個数: 24

約数和(自身を含む): 114692760

約数和(自身を除く): 60224980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7001, 7780, 14002, 28004, 35005, 70010, 140020, 2723389, 5446778, 10893556, 13616945, 27233890, 54467780]

約数ペア:

[(1, 54467780), (2, 27233890), (4, 13616945), (5, 10893556), (10, 5446778), (20, 2723389), (389, 140020), (778, 70010), (1556, 35005), (1945, 28004), (3890, 14002), (7001, 7780)]