81961510

素因数分解:

$2^1\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{4201}}^1$

素因数の和:6159

約数の個数: 16

約数和(自身を含む): 147641472

約数和(自身を除く): 65679962

約数列:

[1, 2, 5, 10, 1951, 3902, 4201, 8402, 9755, 19510, 21005, 42010, 8196151, 16392302, 40980755, 81961510]

約数ペア:

[(1, 81961510), (2, 40980755), (5, 16392302), (10, 8196151), (1951, 42010), (3902, 21005), (4201, 19510), (8402, 9755)]