168830180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{64439}}^1$

素因数の和:64579

約数の個数: 24

約数和(自身を含む): 357255360

約数和(自身を除く): 188425180

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 64439, 128878, 257756, 322195, 644390, 1288780, 8441509, 16883018, 33766036, 42207545, 84415090, 168830180]

約数ペア:

[(1, 168830180), (2, 84415090), (4, 42207545), (5, 33766036), (10, 16883018), (20, 8441509), (131, 1288780), (262, 644390), (524, 322195), (655, 257756), (1310, 128878), (2620, 64439)]