131467760

素因数分解:

$2^4\times 5^1\times {\mathrm{1643347}}^1$

素因数の和:1643360

約数の個数: 20

約数和(自身を含む): 305662728

約数和(自身を除く): 174194968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1643347, 3286694, 6573388, 8216735, 13146776, 16433470, 26293552, 32866940, 65733880, 131467760]

約数ペア:

[(1, 131467760), (2, 65733880), (4, 32866940), (5, 26293552), (8, 16433470), (10, 13146776), (16, 8216735), (20, 6573388), (40, 3286694), (80, 1643347)]