3971960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 9028800

約数和(自身を除く): 5056840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 911, 1090, 1822, 2180, 3644, 4360, 4555, 7288, 9110, 18220, 36440, 99299, 198598, 397196, 496495, 794392, 992990, 1985980, 3971960]

約数ペア:

[(1, 3971960), (2, 1985980), (4, 992990), (5, 794392), (8, 496495), (10, 397196), (20, 198598), (40, 99299), (109, 36440), (218, 18220), (436, 9110), (545, 7288), (872, 4555), (911, 4360), (1090, 3644), (1822, 2180)]