28020410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{254731}}^1$

素因数の和:254749

約数の個数: 16

約数和(自身を含む): 55022112

約数和(自身を除く): 27001702

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 254731, 509462, 1273655, 2547310, 2802041, 5604082, 14010205, 28020410]

約数ペア:

[(1, 28020410), (2, 14010205), (5, 5604082), (10, 2802041), (11, 2547310), (22, 1273655), (55, 509462), (110, 254731)]