256048130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{19501}}^1$

素因数の和:19622

約数の個数: 32

約数和(自身を含む): 501279408

約数和(自身を除く): 245231278

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2626, 6565, 13130, 19501, 39002, 97505, 195010, 253513, 507026, 1267565, 1969601, 2535130, 3939202, 9848005, 19696010, 25604813, 51209626, 128024065, 256048130]

約数ペア:

[(1, 256048130), (2, 128024065), (5, 51209626), (10, 25604813), (13, 19696010), (26, 9848005), (65, 3939202), (101, 2535130), (130, 1969601), (202, 1267565), (505, 507026), (1010, 253513), (1313, 195010), (2626, 97505), (6565, 39002), (13130, 19501)]