28254740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34457}}^1$

素因数の和:34507

約数の個数: 24

約数和(自身を含む): 60783912

約数和(自身を除く): 32529172

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34457, 68914, 137828, 172285, 344570, 689140, 1412737, 2825474, 5650948, 7063685, 14127370, 28254740]

約数ペア:

[(1, 28254740), (2, 14127370), (4, 7063685), (5, 5650948), (10, 2825474), (20, 1412737), (41, 689140), (82, 344570), (164, 172285), (205, 137828), (410, 68914), (820, 34457)]