139633960

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27487}}^1$

素因数の和:27625

約数の個数: 32

約数和(自身を含む): 316661760

約数和(自身を除く): 177027800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 27487, 54974, 109948, 137435, 219896, 274870, 549740, 1099480, 3490849, 6981698, 13963396, 17454245, 27926792, 34908490, 69816980, 139633960]

約数ペア:

[(1, 139633960), (2, 69816980), (4, 34908490), (5, 27926792), (8, 17454245), (10, 13963396), (20, 6981698), (40, 3490849), (127, 1099480), (254, 549740), (508, 274870), (635, 219896), (1016, 137435), (1270, 109948), (2540, 54974), (5080, 27487)]