200263780

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{17977}}^1$

素因数の和:18543

約数の個数: 24

約数和(自身を含む): 421332408

約数和(自身を除く): 221068628

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 17977, 35954, 71908, 89885, 179770, 359540, 10013189, 20026378, 40052756, 50065945, 100131890, 200263780]

約数ペア:

[(1, 200263780), (2, 100131890), (4, 50065945), (5, 40052756), (10, 20026378), (20, 10013189), (557, 359540), (1114, 179770), (2228, 89885), (2785, 71908), (5570, 35954), (11140, 17977)]