220181090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{202001}}^1$

素因数の和:202117

約数の個数: 16

約数和(自身を含む): 399963960

約数和(自身を除く): 179782870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 202001, 404002, 1010005, 2020010, 22018109, 44036218, 110090545, 220181090]

約数ペア:

[(1, 220181090), (2, 110090545), (5, 44036218), (10, 22018109), (109, 2020010), (218, 1010005), (545, 404002), (1090, 202001)]