221696360

素因数分解:

$2^3\times 5^1\times {\mathrm{5542409}}^1$

素因数の和:5542420

約数の個数: 16

約数和(自身を含む): 498816900

約数和(自身を除く): 277120540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5542409, 11084818, 22169636, 27712045, 44339272, 55424090, 110848180, 221696360]

約数ペア:

[(1, 221696360), (2, 110848180), (4, 55424090), (5, 44339272), (8, 27712045), (10, 22169636), (20, 11084818), (40, 5542409)]