138480940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{532619}}^1$

素因数の和:532641

約数の個数: 24

約数和(自身を含む): 313180560

約数和(自身を除く): 174699620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 532619, 1065238, 2130476, 2663095, 5326190, 6924047, 10652380, 13848094, 27696188, 34620235, 69240470, 138480940]

約数ペア:

[(1, 138480940), (2, 69240470), (4, 34620235), (5, 27696188), (10, 13848094), (13, 10652380), (20, 6924047), (26, 5326190), (52, 2663095), (65, 2130476), (130, 1065238), (260, 532619)]