888974420

素因数分解:

$2^2\times 5^1\times {\mathrm{10739}}^1\times {\mathrm{4139}}^1$

素因数の和:14887

約数の個数: 24

約数和(自身を含む): 1867471200

約数和(自身を除く): 978496780

約数列:

[1, 2, 4, 5, 10, 20, 4139, 8278, 10739, 16556, 20695, 21478, 41390, 42956, 53695, 82780, 107390, 214780, 44448721, 88897442, 177794884, 222243605, 444487210, 888974420]

約数ペア:

[(1, 888974420), (2, 444487210), (4, 222243605), (5, 177794884), (10, 88897442), (20, 44448721), (4139, 214780), (8278, 107390), (10739, 82780), (16556, 53695), (20695, 42956), (21478, 41390)]