71265140

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{5647}}^1$

素因数の和:6287

約数の個数: 24

約数和(自身を含む): 149920512

約数和(自身を除く): 78655372

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 5647, 6310, 11294, 12620, 22588, 28235, 56470, 112940, 3563257, 7126514, 14253028, 17816285, 35632570, 71265140]

約数ペア:

[(1, 71265140), (2, 35632570), (4, 17816285), (5, 14253028), (10, 7126514), (20, 3563257), (631, 112940), (1262, 56470), (2524, 28235), (3155, 22588), (5647, 12620), (6310, 11294)]