169578020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{66763}}^1$

素因数の和:66899

約数の個数: 24

約数和(自身を含む): 358923264

約数和(自身を除く): 189345244

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 66763, 133526, 267052, 333815, 667630, 1335260, 8478901, 16957802, 33915604, 42394505, 84789010, 169578020]

約数ペア:

[(1, 169578020), (2, 84789010), (4, 42394505), (5, 33915604), (10, 16957802), (20, 8478901), (127, 1335260), (254, 667630), (508, 333815), (635, 267052), (1270, 133526), (2540, 66763)]