39286780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2851}}^1$

素因数の和:2926

約数の個数: 48

約数和(自身を含む): 90556704

約数和(自身を除く): 51269924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 2851, 3445, 5702, 6890, 11404, 13780, 14255, 28510, 37063, 57020, 74126, 148252, 151103, 185315, 302206, 370630, 604412, 741260, 755515, 1511030, 1964339, 3022060, 3928678, 7857356, 9821695, 19643390, 39286780]

約数ペア:

[(1, 39286780), (2, 19643390), (4, 9821695), (5, 7857356), (10, 3928678), (13, 3022060), (20, 1964339), (26, 1511030), (52, 755515), (53, 741260), (65, 604412), (106, 370630), (130, 302206), (212, 185315), (260, 151103), (265, 148252), (530, 74126), (689, 57020), (1060, 37063), (1378, 28510), (2756, 14255), (2851, 13780), (3445, 11404), (5702, 6890)]