79807120

素因数分解:

$2^4\times 5^1\times {\mathrm{997589}}^1$

素因数の和:997602

約数の個数: 20

約数和(自身を含む): 185551740

約数和(自身を除く): 105744620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997589, 1995178, 3990356, 4987945, 7980712, 9975890, 15961424, 19951780, 39903560, 79807120]

約数ペア:

[(1, 79807120), (2, 39903560), (4, 19951780), (5, 15961424), (8, 9975890), (10, 7980712), (16, 4987945), (20, 3990356), (40, 1995178), (80, 997589)]