2051227540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{6301}}^1$

素因数の和:6748

約数の個数: 48

約数和(自身を含む): 4424457744

約数和(自身を除く): 2373230204

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 397, 410, 794, 820, 1588, 1985, 3970, 6301, 7940, 12602, 16277, 25204, 31505, 32554, 63010, 65108, 81385, 126020, 162770, 258341, 325540, 516682, 1033364, 1291705, 2501497, 2583410, 5002994, 5166820, 10005988, 12507485, 25014970, 50029940, 102561377, 205122754, 410245508, 512806885, 1025613770, 2051227540]

約数ペア:

[(1, 2051227540), (2, 1025613770), (4, 512806885), (5, 410245508), (10, 205122754), (20, 102561377), (41, 50029940), (82, 25014970), (164, 12507485), (205, 10005988), (397, 5166820), (410, 5002994), (794, 2583410), (820, 2501497), (1588, 1291705), (1985, 1033364), (3970, 516682), (6301, 325540), (7940, 258341), (12602, 162770), (16277, 126020), (25204, 81385), (31505, 65108), (32554, 63010)]