39440120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4673}}^1$

素因数の和:4895

約数の個数: 32

約数和(自身を含む): 89179920

約数和(自身を除く): 49739800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 4673, 8440, 9346, 18692, 23365, 37384, 46730, 93460, 186920, 986003, 1972006, 3944012, 4930015, 7888024, 9860030, 19720060, 39440120]

約数ペア:

[(1, 39440120), (2, 19720060), (4, 9860030), (5, 7888024), (8, 4930015), (10, 3944012), (20, 1972006), (40, 986003), (211, 186920), (422, 93460), (844, 46730), (1055, 37384), (1688, 23365), (2110, 18692), (4220, 9346), (4673, 8440)]