71718760

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1951}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 161625600

約数和(自身を除く): 89906840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 1951, 3676, 3902, 4595, 7352, 7804, 9190, 9755, 15608, 18380, 19510, 36760, 39020, 78040, 1792969, 3585938, 7171876, 8964845, 14343752, 17929690, 35859380, 71718760]

約数ペア:

[(1, 71718760), (2, 35859380), (4, 17929690), (5, 14343752), (8, 8964845), (10, 7171876), (20, 3585938), (40, 1792969), (919, 78040), (1838, 39020), (1951, 36760), (3676, 19510), (3902, 18380), (4595, 15608), (7352, 9755), (7804, 9190)]