39397540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21647}}^1$

素因数の和:21676

約数の個数: 48

約数和(自身を含む): 101832192

約数和(自身を除く): 62434652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21647, 43294, 86588, 108235, 151529, 216470, 281411, 303058, 432940, 562822, 606116, 757645, 1125644, 1407055, 1515290, 1969877, 2814110, 3030580, 3939754, 5628220, 7879508, 9849385, 19698770, 39397540]

約数ペア:

[(1, 39397540), (2, 19698770), (4, 9849385), (5, 7879508), (7, 5628220), (10, 3939754), (13, 3030580), (14, 2814110), (20, 1969877), (26, 1515290), (28, 1407055), (35, 1125644), (52, 757645), (65, 606116), (70, 562822), (91, 432940), (130, 303058), (140, 281411), (182, 216470), (260, 151529), (364, 108235), (455, 86588), (910, 43294), (1820, 21647)]