85321520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20123}}^1$

素因数の和:20189

約数の個数: 40

約数和(自身を含む): 202125456

約数和(自身を除く): 116803936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 20123, 40246, 80492, 100615, 160984, 201230, 321968, 402460, 804920, 1066519, 1609840, 2133038, 4266076, 5332595, 8532152, 10665190, 17064304, 21330380, 42660760, 85321520]

約数ペア:

[(1, 85321520), (2, 42660760), (4, 21330380), (5, 17064304), (8, 10665190), (10, 8532152), (16, 5332595), (20, 4266076), (40, 2133038), (53, 1609840), (80, 1066519), (106, 804920), (212, 402460), (265, 321968), (424, 201230), (530, 160984), (848, 100615), (1060, 80492), (2120, 40246), (4240, 20123)]