258444320

素因数分解:

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

素因数の和:39453

約数の個数: 48

約数和(自身を含む): 625482648

約数和(自身を除く): 367038328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 39397, 78794, 157588, 196985, 315176, 393970, 630352, 787940, 1260704, 1575880, 1615277, 3151760, 3230554, 6303520, 6461108, 8076385, 12922216, 16152770, 25844432, 32305540, 51688864, 64611080, 129222160, 258444320]

約数ペア:

[(1, 258444320), (2, 129222160), (4, 64611080), (5, 51688864), (8, 32305540), (10, 25844432), (16, 16152770), (20, 12922216), (32, 8076385), (40, 6461108), (41, 6303520), (80, 3230554), (82, 3151760), (160, 1615277), (164, 1575880), (205, 1260704), (328, 787940), (410, 630352), (656, 393970), (820, 315176), (1312, 196985), (1640, 157588), (3280, 78794), (6560, 39397)]