56221540

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{16249}}^1$

素因数の和:16431

約数の個数: 24

約数和(自身を含む): 118755000

約数和(自身を除く): 62533460

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 16249, 32498, 64996, 81245, 162490, 324980, 2811077, 5622154, 11244308, 14055385, 28110770, 56221540]

約数ペア:

[(1, 56221540), (2, 28110770), (4, 14055385), (5, 11244308), (10, 5622154), (20, 2811077), (173, 324980), (346, 162490), (692, 81245), (865, 64996), (1730, 32498), (3460, 16249)]