72956420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28723}}^1$

素因数の和:28859

約数の個数: 24

約数和(自身を含む): 154420224

約数和(自身を除く): 81463804

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 28723, 57446, 114892, 143615, 287230, 574460, 3647821, 7295642, 14591284, 18239105, 36478210, 72956420]

約数ペア:

[(1, 72956420), (2, 36478210), (4, 18239105), (5, 14591284), (10, 7295642), (20, 3647821), (127, 574460), (254, 287230), (508, 143615), (635, 114892), (1270, 57446), (2540, 28723)]