87271840

素因数分解:

$2^5\times 5^1\times {\mathrm{545449}}^1$

素因数の和:545464

約数の個数: 24

約数和(自身を含む): 206180100

約数和(自身を除く): 118908260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 545449, 1090898, 2181796, 2727245, 4363592, 5454490, 8727184, 10908980, 17454368, 21817960, 43635920, 87271840]

約数ペア:

[(1, 87271840), (2, 43635920), (4, 21817960), (5, 17454368), (8, 10908980), (10, 8727184), (16, 5454490), (20, 4363592), (32, 2727245), (40, 2181796), (80, 1090898), (160, 545449)]