158508920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{55813}}^1$

素因数の和:55895

約数の個数: 32

約数和(自身を含む): 361674720

約数和(自身を除く): 203165800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 55813, 111626, 223252, 279065, 446504, 558130, 1116260, 2232520, 3962723, 7925446, 15850892, 19813615, 31701784, 39627230, 79254460, 158508920]

約数ペア:

[(1, 158508920), (2, 79254460), (4, 39627230), (5, 31701784), (8, 19813615), (10, 15850892), (20, 7925446), (40, 3962723), (71, 2232520), (142, 1116260), (284, 558130), (355, 446504), (568, 279065), (710, 223252), (1420, 111626), (2840, 55813)]