3890840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 8814960

約数和(自身を除く): 4924120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 461, 844, 922, 1055, 1688, 1844, 2110, 2305, 3688, 4220, 4610, 8440, 9220, 18440, 97271, 194542, 389084, 486355, 778168, 972710, 1945420, 3890840]

約数ペア:

[(1, 3890840), (2, 1945420), (4, 972710), (5, 778168), (8, 486355), (10, 389084), (20, 194542), (40, 97271), (211, 18440), (422, 9220), (461, 8440), (844, 4610), (922, 4220), (1055, 3688), (1688, 2305), (1844, 2110)]