39130040

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1033}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 88220880

約数和(自身を除く): 49090840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1033, 1894, 2066, 3788, 4132, 4735, 5165, 7576, 8264, 9470, 10330, 18940, 20660, 37880, 41320, 978251, 1956502, 3913004, 4891255, 7826008, 9782510, 19565020, 39130040]

約数ペア:

[(1, 39130040), (2, 19565020), (4, 9782510), (5, 7826008), (8, 4891255), (10, 3913004), (20, 1956502), (40, 978251), (947, 41320), (1033, 37880), (1894, 20660), (2066, 18940), (3788, 10330), (4132, 9470), (4735, 8264), (5165, 7576)]