81190700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{15319}}^1$

素因数の和:15386

約数の個数: 36

約数和(自身を含む): 179519760

約数和(自身を除く): 98329060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 15319, 30638, 61276, 76595, 153190, 306380, 382975, 765950, 811907, 1531900, 1623814, 3247628, 4059535, 8119070, 16238140, 20297675, 40595350, 81190700]

約数ペア:

[(1, 81190700), (2, 40595350), (4, 20297675), (5, 16238140), (10, 8119070), (20, 4059535), (25, 3247628), (50, 1623814), (53, 1531900), (100, 811907), (106, 765950), (212, 382975), (265, 306380), (530, 153190), (1060, 76595), (1325, 61276), (2650, 30638), (5300, 15319)]