208046240

素因数分解:

$2^5\times 5^1\times {\mathrm{1300289}}^1$

素因数の和:1300304

約数の個数: 24

約数和(自身を含む): 491509620

約数和(自身を除く): 283463380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1300289, 2600578, 5201156, 6501445, 10402312, 13002890, 20804624, 26005780, 41609248, 52011560, 104023120, 208046240]

約数ペア:

[(1, 208046240), (2, 104023120), (4, 52011560), (5, 41609248), (8, 26005780), (10, 20804624), (16, 13002890), (20, 10402312), (32, 6501445), (40, 5201156), (80, 2600578), (160, 1300289)]