39880490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2207}}^1$

素因数の和:2366

約数の個数: 32

約数和(自身を含む): 77898240

約数和(自身を除く): 38017750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 2207, 3614, 4414, 9035, 11035, 18070, 22070, 28691, 57382, 143455, 286910, 306773, 613546, 1533865, 3067730, 3988049, 7976098, 19940245, 39880490]

約数ペア:

[(1, 39880490), (2, 19940245), (5, 7976098), (10, 3988049), (13, 3067730), (26, 1533865), (65, 613546), (130, 306773), (139, 286910), (278, 143455), (695, 57382), (1390, 28691), (1807, 22070), (2207, 18070), (3614, 11035), (4414, 9035)]