13690640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9007}}^1$

素因数の和:9039

約数の個数: 40

約数和(自身を含む): 33509760

約数和(自身を除く): 19819120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 9007, 18014, 36028, 45035, 72056, 90070, 144112, 171133, 180140, 342266, 360280, 684532, 720560, 855665, 1369064, 1711330, 2738128, 3422660, 6845320, 13690640]

約数ペア:

[(1, 13690640), (2, 6845320), (4, 3422660), (5, 2738128), (8, 1711330), (10, 1369064), (16, 855665), (19, 720560), (20, 684532), (38, 360280), (40, 342266), (76, 180140), (80, 171133), (95, 144112), (152, 90070), (190, 72056), (304, 45035), (380, 36028), (760, 18014), (1520, 9007)]