3973220

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{773}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 8387064

約数和(自身を除く): 4413844

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 773, 1028, 1285, 1546, 2570, 3092, 3865, 5140, 7730, 15460, 198661, 397322, 794644, 993305, 1986610, 3973220]

約数ペア:

[(1, 3973220), (2, 1986610), (4, 993305), (5, 794644), (10, 397322), (20, 198661), (257, 15460), (514, 7730), (773, 5140), (1028, 3865), (1285, 3092), (1546, 2570)]