64611080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39397}}^1$

素因数の和:39449

約数の個数: 32

約数和(自身を含む): 148924440

約数和(自身を除く): 84313360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 39397, 78794, 157588, 196985, 315176, 393970, 787940, 1575880, 1615277, 3230554, 6461108, 8076385, 12922216, 16152770, 32305540, 64611080]

約数ペア:

[(1, 64611080), (2, 32305540), (4, 16152770), (5, 12922216), (8, 8076385), (10, 6461108), (20, 3230554), (40, 1615277), (41, 1575880), (82, 787940), (164, 393970), (205, 315176), (328, 196985), (410, 157588), (820, 78794), (1640, 39397)]