77902270

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{19427}}^1$

素因数の和:19835

約数の個数: 16

約数和(自身を含む): 140581008

約数和(自身を除く): 62678738

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 19427, 38854, 97135, 194270, 7790227, 15580454, 38951135, 77902270]

約数ペア:

[(1, 77902270), (2, 38951135), (5, 15580454), (10, 7790227), (401, 194270), (802, 97135), (2005, 38854), (4010, 19427)]