71396860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28109}}^1$

素因数の和:28245

約数の個数: 24

約数和(自身を含む): 151119360

約数和(自身を除く): 79722500

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 28109, 56218, 112436, 140545, 281090, 562180, 3569843, 7139686, 14279372, 17849215, 35698430, 71396860]

約数ペア:

[(1, 71396860), (2, 35698430), (4, 17849215), (5, 14279372), (10, 7139686), (20, 3569843), (127, 562180), (254, 281090), (508, 140545), (635, 112436), (1270, 56218), (2540, 28109)]