16048780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72949}}^1$

素因数の和:72969

約数の個数: 24

約数和(自身を含む): 36766800

約数和(自身を除く): 20718020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72949, 145898, 291796, 364745, 729490, 802439, 1458980, 1604878, 3209756, 4012195, 8024390, 16048780]

約数ペア:

[(1, 16048780), (2, 8024390), (4, 4012195), (5, 3209756), (10, 1604878), (11, 1458980), (20, 802439), (22, 729490), (44, 364745), (55, 291796), (110, 145898), (220, 72949)]