3907720

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{463}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 8853120

約数和(自身を除く): 4945400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 463, 844, 926, 1055, 1688, 1852, 2110, 2315, 3704, 4220, 4630, 8440, 9260, 18520, 97693, 195386, 390772, 488465, 781544, 976930, 1953860, 3907720]

約数ペア:

[(1, 3907720), (2, 1953860), (4, 976930), (5, 781544), (8, 488465), (10, 390772), (20, 195386), (40, 97693), (211, 18520), (422, 9260), (463, 8440), (844, 4630), (926, 4220), (1055, 3704), (1688, 2315), (1852, 2110)]