131574140

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{4297}}^1$

素因数の和:5837

約数の個数: 24

約数和(自身を含む): 276550512

約数和(自身を除く): 144976372

約数列:

[1, 2, 4, 5, 10, 20, 1531, 3062, 4297, 6124, 7655, 8594, 15310, 17188, 21485, 30620, 42970, 85940, 6578707, 13157414, 26314828, 32893535, 65787070, 131574140]

約数ペア:

[(1, 131574140), (2, 65787070), (4, 32893535), (5, 26314828), (10, 13157414), (20, 6578707), (1531, 85940), (3062, 42970), (4297, 30620), (6124, 21485), (7655, 17188), (8594, 15310)]