65130140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79427}}^1$

素因数の和:79477

約数の個数: 24

約数和(自身を含む): 140110992

約数和(自身を除く): 74980852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 79427, 158854, 317708, 397135, 794270, 1588540, 3256507, 6513014, 13026028, 16282535, 32565070, 65130140]

約数ペア:

[(1, 65130140), (2, 32565070), (4, 16282535), (5, 13026028), (10, 6513014), (20, 3256507), (41, 1588540), (82, 794270), (164, 397135), (205, 317708), (410, 158854), (820, 79427)]