211200280

素因数分解:

$2^3\times 5^1\times {\mathrm{5280007}}^1$

素因数の和:5280018

約数の個数: 16

約数和(自身を含む): 475200720

約数和(自身を除く): 264000440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5280007, 10560014, 21120028, 26400035, 42240056, 52800070, 105600140, 211200280]

約数ペア:

[(1, 211200280), (2, 105600140), (4, 52800070), (5, 42240056), (8, 26400035), (10, 21120028), (20, 10560014), (40, 5280007)]