131541320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{41627}}^1$

素因数の和:41717

約数の個数: 32

約数和(自身を含む): 299721600

約数和(自身を除く): 168180280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 41627, 83254, 166508, 208135, 333016, 416270, 832540, 1665080, 3288533, 6577066, 13154132, 16442665, 26308264, 32885330, 65770660, 131541320]

約数ペア:

[(1, 131541320), (2, 65770660), (4, 32885330), (5, 26308264), (8, 16442665), (10, 13154132), (20, 6577066), (40, 3288533), (79, 1665080), (158, 832540), (316, 416270), (395, 333016), (632, 208135), (790, 166508), (1580, 83254), (3160, 41627)]