131509160

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{19687}}^1$

素因数の和:19865

約数の個数: 32

約数和(自身を含む): 297682560

約数和(自身を除く): 166173400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 19687, 39374, 78748, 98435, 157496, 196870, 393740, 787480, 3287729, 6575458, 13150916, 16438645, 26301832, 32877290, 65754580, 131509160]

約数ペア:

[(1, 131509160), (2, 65754580), (4, 32877290), (5, 26301832), (8, 16438645), (10, 13150916), (20, 6575458), (40, 3287729), (167, 787480), (334, 393740), (668, 196870), (835, 157496), (1336, 98435), (1670, 78748), (3340, 39374), (6680, 19687)]