72331580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28477}}^1$

素因数の和:28613

約数の個数: 24

約数和(自身を含む): 153097728

約数和(自身を除く): 80766148

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 28477, 56954, 113908, 142385, 284770, 569540, 3616579, 7233158, 14466316, 18082895, 36165790, 72331580]

約数ペア:

[(1, 72331580), (2, 36165790), (4, 18082895), (5, 14466316), (10, 7233158), (20, 3616579), (127, 569540), (254, 284770), (508, 142385), (635, 113908), (1270, 56954), (2540, 28477)]